CN102990961B - Large-scale vertical hydraulic machine with small floor area - Google Patents
Large-scale vertical hydraulic machine with small floor area Download PDFInfo
- Publication number
- CN102990961B CN102990961B CN201210568267.1A CN201210568267A CN102990961B CN 102990961 B CN102990961 B CN 102990961B CN 201210568267 A CN201210568267 A CN 201210568267A CN 102990961 B CN102990961 B CN 102990961B
- Authority
- CN
- China
- Prior art keywords
- upper beam
- box
- slab
- workbench
- column
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a large-scale vertical hydraulic machine with a small floor area. The large-scale vertical hydraulic machine comprises an operating platform (1), a movable beam plate (2), a box-type upper beam (3), a stand column location plate (31), a stand column (4), an upper beam support sleeve (43), a main oil cylinder (5), an ejection oil cylinder (6), a hydraulic control system (8), a maintenance platform (9) and a ladder (10). A technical scheme that a main oil box of the prior art and an auxiliary oil box are combined into an oil box, the oil box and an upper beam plate are combined into the box-type upper beam which is placed on the top portion of the hydraulic machine, the hydraulic control system is arranged at the position of an outer lateral wall of the oil box of the box-type upper beam, and the maintenance platform and the ladder are arranged on the stand column location plate surrounding the box-type upper beam and the hydraulic control system is adopted, and the large-scale vertical hydraulic machine achieves purposes of achieving cost, reducing the floor area and adapting to application of an automation production line.
Description
Technical field
The present invention relates to a kind of hydraulic press, specifically refer to the little large-scale vertical hydraulic press of a kind of floor space of suppressing Big Gold metal elements by oil pressure.
Background technology
The main fuel tank of prior art vertical hydraulic press is arranged on a side side of hydraulic press, above the main fuel tank that hydraulic control system is arranged on, in addition, at the top of modularization plate, be also provided with the auxiliary fuel tank of and oil extraction quick oil-filled for oil cylinder, because the main fuel tank of large-scale vertical hydraulic press is larger, floor space is also large, be unfavorable for being placed in scale automation production flow line workshop and apply, simultaneously, the setting of auxiliary fuel tank has also increased the manufacturing cost of hydraulic press, therefore, prior art exists cost high, floor space is large, be not suitable with the problems and shortcomings of automation production flow line application.
Summary of the invention
The problems and shortcomings that exist for above-mentioned prior art, the present invention takes the main fuel tank of prior art and auxiliary fuel tank to merge into a fuel tank, fuel tank and upper beam slab are merged into box upper beam and be placed in the top of hydraulic press, hydraulic control system is arranged on to the lateral wall place of the fuel tank of box upper beam, and round box upper beam and hydraulic control system, the technical scheme of maintenance platform and helper is set on stud location plate, having overcome prior art exists cost high, floor space is large, be not suitable with the problems and shortcomings of automation production flow line application, the little large-scale vertical hydraulic press of a kind of floor space providing, be intended to by upper beam slab and fuel tank being merged into box upper beam and being placed in the top of hydraulic press, save auxiliary fuel tank, large-scale vertical hydraulic press is reached to be reduced costs, dwindle floor space, the object that adapts to automation production flow line application.
The object of the present invention is achieved like this: the large-scale vertical hydraulic press that a kind of floor space is little, comprise workbench, moving beam slab, box upper beam, stud location plate, column, upper beam support set, master cylinder, ejection cylinder, hydraulic control system, maintenance platform, helper, wherein: described workbench is the steel platform of the rectangular plate shape of bearer connection cover half work;
Described moving beam slab is exert pressure the downwards steel platform of rectangular plate shape of upwards reseting movement work of bearer connection dynamic model;
The box-type structure that described box upper beam is rectangular hollow, the bottom of box upper beam is called upper beam slab for the steel platform for the rectangular plate shape of bearer connection master cylinder, the frame wall that four sidewalls of described upper beam slab are provided with by the rectangle making progress of welded steel plate is called tank wall, what described tank wall and described upper beam slab surrounded is called fuel tank for being installed in the chamber of hydraulic oil, described fuel tank internal is provided with some separation chambers for sedimentation and filtration hydraulic oil, the Si Ge corner that the outside of described fuel tank is positioned at described upper beam slab is respectively equipped with the upper beam stanchion for through column consisting of gusset welding and is fixedly connected with presenting a theatrical performance as the last item on a programme of box upper beam,
Described stud location plate is to be connected to the upper end of moving beam lead of column for guaranteeing the steel platform of the rectangular plate shape that four root posts are parallel to each other;
Described column is the steel components of secondary cylinder step, the upper step of column is upper beam stanchion, the lower step of column is moving beam lead, the diameter of described moving beam lead is greater than the diameter of described upper beam stanchion, the upper end of described upper beam stanchion is provided with for connecting the external screw thread of box upper beam and is called upper screw thread, and the external screw thread that the lower end of described moving beam lead is provided with for connecting working table is called lower screw thread;
Described upper beam support set is round tubular member, the post jamb stationary fit of the inside pipe wall of upper beam support set and the described upper beam stanchion of column, the pipe outer diameter of upper beam support set and the post jamb equal diameters of described moving beam lead;
The hydraulically extensible executive component of described master cylinder for being formed by cylinder body and piston;
The hydraulically extensible executive component of described ejection cylinder for being formed by cylinder body and piston;
The oil piping system that described hydraulic control system is the control hydraulic press work that consists of electrically-controlled valve and pilot operated valve device oil pump;
The platform that described maintenance platform operates for the carrying attendant who is made by steel plate and steel-pipe welding;
The ladder for attendant upper and lower maintenance platform of described helper for being made by steel plate and steel-pipe welding;
From bottom to top be respectively workbench, moving beam slab, stud location plate and box upper beam, four root posts are vertically positioned at respectively workbench, moving beam slab, the Si Ge corner of stud location plate and box upper beam is by workbench, moving beam slab, stud location plate and box upper beam are chained together, wherein, the lower end of the described moving beam lead of column is fixedly connected with by described lower screw thread with workbench, stud location grillage is located on the step of described moving beam lead and described upper beam stanchion joint portion, upper beam support set is enclosed within the outer wall place of described upper beam stanchion, box upper beam is erected at the upper end of upper beam support set, present a theatrical performance as the last item on a programme and be fixedly connected with box upper beam with described upper screw thread by nut in the top of upper beam stanchion described in box upper beam, moving beam slab and the sliding connection of described moving beam lead,
The center that is fixedly connected on above described upper beam slab of the cylinder body of master cylinder, being fixedly connected with stud location plate below of the cylinder body of master cylinder, the lower end of the piston of master cylinder with above moving beam slab, be fixedly connected with; Ejection cylinder be fixed on workbench center below, the piston of ejection cylinder is arranged in central through hole that workbench arranges and stretching motion up and down; Hydraulic control system is fixedly installed on the lateral wall place of the described fuel tank of box upper beam, maintenance platform round box upper beam and hydraulic control system fixed mount be located at stud location plate above, the upper end of helper is connected with maintenance platform, the lower end of helper is connected with ground.
Operation principle and beneficial effect
This device is by merging into box upper beam by upper beam slab and fuel tank and being placed in the top of hydraulic press, saved auxiliary fuel tank, make large-scale vertical hydraulic press reduce cost, dwindled floor space, because set helper does not take floor area, do not affect the station arrangement of automation production flow line, so this device is suitable for the supporting application of automation production flow line.
Above-mentioned, the present invention takes the main fuel tank of prior art and auxiliary fuel tank to merge into a fuel tank, fuel tank and upper beam slab are merged into box upper beam and be placed in the top of hydraulic press, hydraulic control system is arranged on to the lateral wall place of the fuel tank of box upper beam, and round box upper beam and hydraulic control system, the technical scheme of maintenance platform and helper is set on stud location plate, having overcome prior art exists cost high, floor space is large, be not suitable with the problems and shortcomings of automation production flow line application, the little large-scale vertical hydraulic press of a kind of floor space providing, by upper beam slab and fuel tank being merged into box upper beam and being placed in the top of hydraulic press, saved auxiliary fuel tank, large-scale vertical hydraulic press has been reached to be reduced costs, dwindle floor space, the object that adapts to automation production flow line application.
Accompanying drawing explanation
Fig. 1 is the structural representation of the large-scale vertical hydraulic press that a kind of floor space of the present invention is little.
Below in conjunction with the embodiment in accompanying drawing, the present invention is described in further detail, but should not be construed as any limitation of the invention.
In figure: workbench 1, moving beam slab 2, box upper beam 3, upper beam slab 301, present a theatrical performance as the last item on a programme 302, fuel tank 303, nut 304, stud location plate 31, column 4, moving beam lead 41, upper beam stanchion 42, upper beam support set 43, master cylinder 5, ejection cylinder 6, hydraulic control system 8, maintenance platform 9, helper 10, ground 01.
The specific embodiment
Consult Fig. 1, the large-scale vertical hydraulic press that a kind of floor space of the present invention is little, comprise workbench 1, moving beam slab 2, box upper beam 3, stud location plate 31, column 4, upper beam support set 43, master cylinder 5, ejection cylinder 6, hydraulic control system 8, maintenance platform 9, helper 10, wherein: described workbench 1 is the steel platform of the rectangular plate shape of bearer connection cover half work;
Described moving beam slab 2 is the bearer connection dynamic model upwards steel platform of the rectangular plate shape of reseting movement work of exerting pressure downwards;
The box-type structure that described box upper beam 3 is rectangular hollow, the bottom of box upper beam 3 is called upper beam slab 301 for the steel platform for the rectangular plate shape of bearer connection master cylinder 5, the frame wall that four sidewalls of described upper beam slab 301 are provided with by the rectangle making progress of welded steel plate is called tank wall, what described tank wall and described upper beam slab 301 surrounded is called fuel tank 303 for being installed in the chamber of hydraulic oil, described fuel tank 303 inside are provided with some separation chambers for sedimentation and filtration hydraulic oil, what the Si Ge corner that the outside of described fuel tank 303 is positioned at described upper beam slab 301 was respectively equipped with that the upper beam stanchion 42 for through column 4 consisting of gusset welding is fixedly connected with box upper beam 3 presents a theatrical performance as the last item on a programme 302,
Described stud location plate 31 is for the upper end of moving beam lead 41 that is connected to column 4 is for guaranteeing the steel platform of the rectangular plate shape that four root posts 4 are parallel to each other;
Described column 4 is the steel components of secondary cylinder step, the upper step of column 4 is upper beam stanchion 42, the lower step of column 4 is moving beam lead 41, the diameter of described moving beam lead 41 is greater than the diameter of described upper beam stanchion 42, the upper end of described upper beam stanchion 42 is provided with for connecting the external screw thread of box upper beam 3 and is called upper screw thread, and the external screw thread that the lower end of described moving beam lead 41 is provided with for connecting working table 1 is called lower screw thread;
Described upper beam support set 43 is round tubular member, the post jamb stationary fit of the described upper beam stanchion 42 of the inside pipe wall of upper beam support set 43 and column 4, the pipe outer diameter of upper beam support set 43 and the post jamb equal diameters of described moving beam lead 41;
The hydraulically extensible executive component of described master cylinder 5 for being formed by cylinder body and piston;
The hydraulically extensible executive component of described ejection cylinder 6 for being formed by cylinder body and piston;
The oil piping system that described hydraulic control system 8 is the control hydraulic press work that consists of electrically-controlled valve and pilot operated valve device oil pump;
The platform that described maintenance platform 9 operates for the carrying attendant who is made by steel plate and steel-pipe welding;
The ladder for attendant upper and lower maintenance platform 9 of described helper 10 for being made by steel plate and steel-pipe welding;
From bottom to top be respectively workbench 1, moving beam slab 2, stud location plate 31 and box upper beam 3, four root posts 4 are vertically positioned at respectively workbench 1, moving beam slab 2, the Si Ge corner of stud location plate 31 and box upper beam 3 is by workbench 1, moving beam slab 2, stud location plate 31 and box upper beam 3 are chained together, wherein, the lower end of the described moving beam lead 41 of column 4 is fixedly connected with by described lower screw thread with workbench 1, stud location plate 31 is erected on the step of described moving beam lead 41 and described upper beam stanchion 42 joint portions, upper beam support set 43 is enclosed within the outer wall place of described upper beam stanchion 42, box upper beam 3 is erected at the upper end of upper beam support set 43, the top of upper beam stanchion 42 presents a theatrical performance as the last item on a programme 302 and be fixedly connected with box upper beam 3 with described upper screw thread by nut 304 through described in box upper beam 3, moving beam slab 2 and described moving beam lead 41 sliding connections,
The described upper beam slab 301 center that is fixedly connected on above of the cylinder body of master cylinder 5, being fixedly connected with stud location plate 31 below of the cylinder body of master cylinder 5, the lower end of the piston of master cylinder 5 with above moving beam slab 2, be fixedly connected with; Ejection cylinder 6 be fixed on workbench 1 center below, the piston of ejection cylinder 6 is arranged in central through hole that workbench 1 arranges and stretching motion up and down; Hydraulic control system 8 is fixedly installed on the lateral wall place of the described fuel tank 303 of box upper beam 3, maintenance platform 9 round box upper beam 3 and hydraulic control system 8 fixed mounts be located at stud location plate 31 above, the upper end of helper 10 is connected with maintenance platform 9, and the lower end of helper 10 is connected with ground 01.
Operation principle and beneficial effect
This device is by merging into box upper beam 3 by upper beam slab 301 and fuel tank 303 and being placed in the top of hydraulic press, saved auxiliary fuel tank, make large-scale vertical hydraulic press reduce cost, dwindled floor space, because set helper 10 does not take floor area, do not affect the station arrangement of automation production flow line, so this device is suitable for the supporting application of automation production flow line.
Claims (1)
1. the large-scale vertical hydraulic press that floor space is little, comprise workbench (1), moving beam slab (2), box upper beam (3), stud location plate (31), column (4), upper beam support set (43), master cylinder (5), ejection cylinder (6), hydraulic control system (8), maintenance platform (9), helper (10), it is characterized in that: described workbench (1) is the steel platform of the rectangular plate shape of bearer connection cover half work;
Described moving beam slab (2) is exert pressure the downwards steel platform of rectangular plate shape of upwards reseting movement work of bearer connection dynamic model;
The box-type structure that described box upper beam (3) is rectangular hollow, the bottom of box upper beam (3) is called upper beam slab (301) for the steel platform for the rectangular plate shape of bearer connection master cylinder (5), the frame wall that four sidewalls of described upper beam slab (301) are provided with by the rectangle making progress of welded steel plate is called tank wall, what described tank wall and described upper beam slab (301) surrounded is called fuel tank (303) for being installed in the chamber of hydraulic oil, described fuel tank (303) inside is provided with some separation chambers for sedimentation and filtration hydraulic oil, the Si Ge corner that the outside of described fuel tank (303) is positioned at described upper beam slab (301) is respectively equipped with present a theatrical performance as the last item on a programme (302) that the upper beam stanchion (42) for through column (4) consisting of gusset welding is fixedly connected with box upper beam (3),
The steel platform that described stud location plate (31) is the rectangular plate shape that is connected to the upper end of moving beam lead (41) of column (4) and is used for guaranteeing that four root posts (4) are parallel to each other;
Described column (4) is the steel components of secondary cylinder step, the upper step of column (4) is upper beam stanchion (42), the lower step of column (4) is moving beam lead (41), the diameter of described moving beam lead (41) is greater than the diameter of described upper beam stanchion (42), the upper end of described upper beam stanchion (42) is provided with for connecting the external screw thread of box upper beam (3) and is called upper screw thread, and the external screw thread that the lower end of described moving beam lead (41) is provided with for connecting working table (1) is called lower screw thread;
Described upper beam support set (43) is round tubular member, the post jamb stationary fit of the described upper beam stanchion (42) of the inside pipe wall of upper beam support set (43) and column (4), the post jamb equal diameters of the pipe outer diameter of upper beam support set (43) and described moving beam lead (41);
The hydraulically extensible executive component of described master cylinder (5) for being formed by cylinder body and piston;
The hydraulically extensible executive component of described ejection cylinder (6) for being formed by cylinder body and piston;
The oil piping system that described hydraulic control system (8) is the control hydraulic press work that consists of electrically-controlled valve and pilot operated valve device oil pump;
The platform that described maintenance platform (9) operates for the carrying attendant who is made by steel plate and steel-pipe welding;
The ladder for attendant upper and lower maintenance platform (9) of described helper (10) for being made by steel plate and steel-pipe welding;
From bottom to top be respectively workbench (1), moving beam slab (2), stud location plate (31) and box upper beam (3), four root posts (4) are vertically positioned at respectively workbench (1), moving beam slab (2), the Si Ge corner of stud location plate (31) and box upper beam (3) is by workbench (1), moving beam slab (2), stud location plate (31) and box upper beam (3) are chained together, wherein, the lower end of the described moving beam lead (41) of column (4) is fixedly connected with by described lower screw thread with workbench (1), stud location plate (31) is erected on the step of described moving beam lead (41) and described upper beam stanchion (42) joint portion, upper beam support set (43) is enclosed within the outer wall place of described upper beam stanchion (42), box upper beam (3) is erected at the upper end of upper beam support set (43), present a theatrical performance as the last item on a programme (302) and be fixedly connected with box upper beam (3) with described upper screw thread by nut (304) through described in box upper beam (3) in the top of upper beam stanchion (42), moving beam slab (2) and described moving beam lead (41) sliding connection,
The center of described upper beam slab (301) that is fixedly connected on above of the cylinder body of master cylinder (5), being fixedly connected with stud location plate (31) below of the cylinder body of master cylinder (5), the lower end of the piston of master cylinder (5) is fixedly connected with above with moving beam slab (2); Ejection cylinder (6) be fixed on workbench (1) center below, the piston of ejection cylinder (6) is arranged in central through hole that workbench (1) arranges and stretching motion up and down; Hydraulic control system (8) is fixedly installed on the lateral wall place of the described fuel tank (303) of box upper beam (3), maintenance platform (9) round box upper beam (3) and hydraulic control system (8) fixed mount be located at stud location plate (31) above, the upper end of helper (10) is connected with maintenance platform (9), and the lower end of helper (10) is connected with ground (01).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210568267.1A CN102990961B (en) | 2012-12-11 | 2012-12-11 | Large-scale vertical hydraulic machine with small floor area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210568267.1A CN102990961B (en) | 2012-12-11 | 2012-12-11 | Large-scale vertical hydraulic machine with small floor area |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102990961A CN102990961A (en) | 2013-03-27 |
| CN102990961B true CN102990961B (en) | 2014-11-26 |
Family
ID=47920312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210568267.1A Active CN102990961B (en) | 2012-12-11 | 2012-12-11 | Large-scale vertical hydraulic machine with small floor area |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102990961B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103769428B (en) * | 2014-02-20 | 2016-04-06 | 佛山市南海区坤霸机床厂 | A kind of numerical control and energy saving environmental protection cold-extrusion shaping machine |
| CN103862693A (en) * | 2014-03-27 | 2014-06-18 | 江苏莘翔机电有限公司 | Novel framework-type fast hydraulic machine |
| CN106799419A (en) * | 2017-01-18 | 2017-06-06 | 浙江倪氏徽章有限公司 | A kind of full-automatic pressing equipment |
| DE102019125203B3 (en) * | 2019-09-19 | 2021-01-14 | Bystronic Laser Ag | Maintenance access for a machine tool and machine tool |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4295358A (en) * | 1979-10-16 | 1981-10-20 | Bulmer J Stewart | Hydraulic press |
| US5129809A (en) * | 1987-04-30 | 1992-07-14 | Laeis Gmbh | Press for ceramic formed parts, in particular ceramic tiles |
| CN2740389Y (en) * | 2004-11-12 | 2005-11-16 | 金佩瑾 | Column guiding hydraulic press |
| CN2868658Y (en) * | 2005-12-07 | 2007-02-14 | 天津市天锻压力机有限公司 | Hydraulic machine with liquid-filling valve internally inlaid in upper beam |
| CN202943884U (en) * | 2012-12-11 | 2013-05-22 | 宁波佳比佳工贸有限公司 | Large vertical type hydraulic machine with small floor area |
-
2012
- 2012-12-11 CN CN201210568267.1A patent/CN102990961B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4295358A (en) * | 1979-10-16 | 1981-10-20 | Bulmer J Stewart | Hydraulic press |
| US5129809A (en) * | 1987-04-30 | 1992-07-14 | Laeis Gmbh | Press for ceramic formed parts, in particular ceramic tiles |
| CN2740389Y (en) * | 2004-11-12 | 2005-11-16 | 金佩瑾 | Column guiding hydraulic press |
| CN2868658Y (en) * | 2005-12-07 | 2007-02-14 | 天津市天锻压力机有限公司 | Hydraulic machine with liquid-filling valve internally inlaid in upper beam |
| CN202943884U (en) * | 2012-12-11 | 2013-05-22 | 宁波佳比佳工贸有限公司 | Large vertical type hydraulic machine with small floor area |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102990961A (en) | 2013-03-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102990961B (en) | Large-scale vertical hydraulic machine with small floor area | |
| CN207088536U (en) | A kind of hydraulic press easy to remove | |
| CN203817725U (en) | Universal tool for press fitting of valve guide pipe of cylinder cover | |
| CN211707847U (en) | Lower-pressure hydraulic press for internal high-pressure bulging process | |
| CN202045273U (en) | Vibration damper oil storage cylinder double-end necking die | |
| CN206747996U (en) | A kind of arc support type component levelling device | |
| CN202943884U (en) | Large vertical type hydraulic machine with small floor area | |
| CN203246094U (en) | Large vertical hydraulic machine provided with oil tank | |
| CN203330319U (en) | Hydraulic forging press | |
| CN203401034U (en) | Horizontal type forging and pressing device | |
| CN103337934B (en) | Stator overlying machine and stator overlying device employing same | |
| CN206254547U (en) | Handpress | |
| CN203695740U (en) | Punching processing device for valve inside of wheel rim | |
| CN203634859U (en) | Static axial compression column assembling machine | |
| CN203711742U (en) | Flange rounding machine | |
| CN206998332U (en) | The stationary positioned device of the double machining of oil hole of pipe fitting | |
| CN103750635B (en) | Portable package assembly and the bracing frame that adopts this portable package assembly to make | |
| CN208322055U (en) | A kind of injection mechanism of die-casting machine | |
| CN202984548U (en) | Petroleum drill pipe joint multi-directional suppression hydraulic machine | |
| CN205732476U (en) | A kind of adjustable for height die cutting die | |
| CN203301324U (en) | Stator overlying machine and stator overlying device using same | |
| CN203461770U (en) | Annular multi-column scissor fork type synchronous lifting platform | |
| CN203557215U (en) | Compensation device for self-loaded deformation of ram | |
| CN111390007B (en) | Liquid-filled lateral extrusion forming device and method | |
| CN219504188U (en) | Auxiliary fixtures based on die casting CNC processing usefulness |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 315600 No.8, Jiahua Road, Meilin street, Ninghai County, Ningbo City, Zhejiang Province (self declaration) Patentee after: Ningbo jiabijia Intelligent Technology Co.,Ltd. Address before: 315609 Meilin Garden Development Zone, Ninghai County, Ningbo City, Zhejiang Province Patentee before: NINGBO JIABIJIA INDUSTRY & TRADE Co.,Ltd. |