CN110924821B - Aluminum alloy window frame convenient to equipment - Google Patents
Aluminum alloy window frame convenient to equipment Download PDFInfo
- Publication number
- CN110924821B CN110924821B CN201911077664.7A CN201911077664A CN110924821B CN 110924821 B CN110924821 B CN 110924821B CN 201911077664 A CN201911077664 A CN 201911077664A CN 110924821 B CN110924821 B CN 110924821B
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- connecting plate
- fixing
- hole
- rod
- aluminum alloy
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/96—Corner joints or edge joints for windows, doors, or the like frames or wings
- E06B3/964—Corner joints or edge joints for windows, doors, or the like frames or wings using separate connection pieces, e.g. T-connection pieces
- E06B3/968—Corner joints or edge joints for windows, doors, or the like frames or wings using separate connection pieces, e.g. T-connection pieces characterised by the way the connecting pieces are fixed in or on the frame members
- E06B3/9687—Corner joints or edge joints for windows, doors, or the like frames or wings using separate connection pieces, e.g. T-connection pieces characterised by the way the connecting pieces are fixed in or on the frame members with screws blocking the connecting piece inside or on the frame member
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B1/00—Border constructions of openings in walls, floors, or ceilings; Frames to be rigidly mounted in such openings
- E06B1/56—Fastening frames to the border of openings or to similar contiguous frames
- E06B1/60—Fastening frames to the border of openings or to similar contiguous frames by mechanical means, e.g. anchoring means
- E06B1/6015—Anchoring means
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Securing Of Glass Panes Or The Like (AREA)
Abstract
The invention discloses an aluminum alloy window frame convenient to assemble, which comprises two first connecting plates and two second connecting plates, wherein the second connecting plates are arranged between the two first connecting plates, the first connecting plates are horizontally arranged, the second connecting plates are vertically arranged, both ends of each first connecting plate and each second connecting plate are respectively provided with a degree inclined plane, a fixing plate is hinged on each first connecting plate, a first fixing hole and a second fixing hole are arranged on each fixing plate, the first fixing hole is arranged corresponding to the first fixing rod and can be inserted in the first fixing hole, the second fixing hole is arranged corresponding to the second fixing rod and can be inserted in the second fixing rod, a positioning device comprises a mounting plate, a group of positioning holes arranged in a circumferential array are arranged on the mounting plate, and a positioning screw is inserted in each positioning hole. The aluminum alloy window is composed of the two horizontal first connecting plates and the two vertically arranged second connecting plates, time and labor can be saved during transportation, and troubles of transportation and door passing are avoided.
Description
Technical Field
The invention relates to the technical field of window frames, in particular to an aluminum alloy window frame convenient to assemble.
Background
The aluminum alloy window is a window with a frame and sash structure made of aluminum alloy building profiles, and is divided into a common aluminum alloy door window and a broken bridge aluminum alloy door window. The aluminum alloy window has the advantages of attractive appearance, sealing and high strength, is widely applied to the field of constructional engineering, and in home decoration, the balcony is sealed by the aluminum alloy window in common use, and the surface of the aluminum alloy is oxidized, smooth and shiny. The window sash frame is large, glass with a large area can be embedded, indoor light is sufficient and bright, the virtual-real contrast of vertical surfaces between the indoor space and the outdoor space is enhanced, and a room is rich in layers. The aluminum alloy is easy to extrude, the cross section of the section bar is accurate in size, and the processing accuracy is high, so that aluminum alloy doors and windows are selected by many owners in decoration.
However, the existing aluminum alloy window is time-consuming and labor-consuming in installation, the correct installation angle can be found by finding angles for many times, the time and labor are wasted, the aluminum alloy window is generally integrally manufactured, and the problems that the transportation is inconvenient, the door entering is inconvenient and the like are caused by the body type and the weight when the aluminum alloy window is transported.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides an aluminum alloy window frame convenient to assemble, so that the problems in the prior art are solved.
In order to achieve the purpose, the invention adopts the following technical scheme:
an aluminum alloy window frame convenient to assemble comprises two first connecting plates and two second connecting plates, wherein the second connecting plates are arranged between the two first connecting plates, the first connecting plates are horizontally arranged, the second connecting plates are vertically arranged, each first connecting plate is vertically arranged with the second connecting plates, two ends of each first connecting plate and two ends of each second connecting plate are respectively provided with an inclined plane, one end of each first connecting plate is arranged corresponding to one end of the corresponding second connecting plate, two first inserting rods symmetrically arranged are inserted and fixed on each first connecting plate, a second inserting rod is fixed on one end of each first inserting rod, two ends of each second connecting plate are respectively provided with a mounting hole, the first inserting rods and the second inserting rods are inserted in the mounting holes, the first inserting rods and the second inserting rods are coaxially arranged, inserting holes are arranged on the first inserting rods, the inserting holes penetrate through the first inserting rods and extend to the insides of the second inserting rods, the jack is coaxial with the first inserted bar, the fixed inserted bar is inserted in the jack, two symmetrical first fixed rods are inserted and slid on the first connecting plate, two symmetrical second fixed rods are inserted and slid on the second connecting plate, the first connecting plate is hinged with a fixed plate, a first fixed hole and a second fixed hole are formed in the fixed plate, the first fixed hole corresponds to the first fixed rod and can be inserted in the first fixed hole, and the second fixed hole corresponds to the second fixed rod and can be inserted in the second fixed hole.
Preferably, one end of the fixed inserted rod is conical, and the other end of the fixed inserted rod is fixedly connected with a positioning device.
Preferably, the positioning device comprises a mounting plate, a group of positioning holes arranged in a circumferential array are arranged on the mounting plate, and a positioning screw is inserted into each positioning hole.
Preferably, the set screw includes the screw rod, and the one end of screw rod cup joints and bolted connection has the nut, and the other end of screw rod is equipped with the inflation hole, is equipped with the fixed annular of a set of coaxial setting in the inflation hole, is equipped with the solid fixed cone in the inflation hole, and the solid fixed cone outside is equipped with the solid fixed ring of a set of coaxial setting, and solid fixed ring corresponds the setting with the fixed annular.
Preferably, the end of the screw rod provided with the expansion hole is provided with a cross-shaped opening.
Preferably, a first sliding groove is formed in the first connecting plate, a first sliding rod is connected in the first sliding groove in a sliding mode, two ends of the first sliding rod are inclined planes, one end of the first sliding rod is arranged in the inserting hole, a first spring is arranged between the other end of the first sliding rod and the first sliding groove, and the first sliding rod and the first fixing rod are arranged correspondingly.
Preferably, a second sliding groove is formed in the second connecting plate, a second sliding rod is connected in the second sliding groove in a sliding mode, one end of the second sliding rod is arranged in the inserting hole, one section of the second sliding rod, which is inserted into the inserting hole, is an inclined plane, a second spring is arranged between the other end of the second sliding rod and the second sliding groove, the second sliding rod and a second fixing rod are correspondingly arranged, and the second spring is sleeved on the second fixing rod and is connected with the second fixing rod in a sliding mode.
Preferably, the inner sides of the first connecting plate and the second connecting plate are both provided with slide rails for mounting the glass fan.
The invention has the advantages that:
1. the aluminum alloy window is composed of the two horizontal first connecting plates and the two vertically arranged second connecting plates, time and labor can be saved during transportation, and troubles of transportation and door passing are avoided.
2. The one end of fixed inserted bar is the taper, other end fixedly connected with positioner, positioner includes the screw rod, the one end of screw rod cup joints and bolted connection has the nut, in this embodiment, nut and screw rod fixed connection, the other end of screw rod is equipped with the inflation hole, be equipped with the fixed annular of a set of coaxial setting in the inflation hole, be equipped with the solid fixed cone in the inflation hole, the solid fixed cone outside is equipped with the solid fixed ring of a set of coaxial setting, gu fixed ring corresponds the setting with the fixed annular, the one end that the screw rod was equipped with the inflation hole is equipped with the cross opening, after getting into the pre-buried hole, the solid fixed cone can extrude the fixed annular, thereby make the one end of screw rod open, because the screw thread in the screw rod outside again, the frictional force between screw rod and the wall body has been increased, gu fixed ring and the mutual cooperation between the fixed recess can further increase the stability of aluminum alloy window.
Drawings
FIG. 1 is a schematic diagram of the basic structure of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is another view from FIG. 1;
FIG. 4 is a schematic view of the position relationship between the first connecting plate and the second connecting plate;
fig. 5 is a schematic diagram of the basic structure of the positioning device.
In the figure: 1. a first connecting plate; 2. a second connecting plate; 3. a first plunger; 4. a second plunger; 5. A jack; 6. mounting holes; 8. a fixing plate; 81. a first fixing lever; 82. a second fixing bar; 91. a first fixing hole; 92. a second fixing hole; 10. fixing the inserted rod; 12. a positioning device; 121. mounting a plate; 122. positioning holes; 131. a screw; 132. a nut; 133. expanding the hole; 134. a fixed cone; 135. a fixing ring; 136. a fixed ring groove; 16. a first spring; 17. a second chute; 18. a second slide bar; 19. a second spring.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
Example 1:
as shown in fig. 1, 2 and 3, the aluminum alloy window frame convenient for assembly provided by the invention comprises two first connecting plates 1 and two second connecting plates 2, wherein the second connecting plates 2 are formed by fixing two parts by bolts, splicing and assembly with the first connecting plates 1 are convenient, the second connecting plates 2 are arranged between the two first connecting plates 1, the first connecting plates 1 are horizontally arranged, the second connecting plates 2 are vertically arranged, each first connecting plate 1 is vertically arranged with the second connecting plates 2, both ends of each first connecting plate 1 and the second connecting plates 2 are 45-degree inclined planes, one end of each first connecting plate 1 is arranged corresponding to one end of the corresponding second connecting plate 2, two first inserting rods 3 which are symmetrically arranged are inserted and fixed on each first connecting plate 1, one end of each first inserting rod 3 is fixed with a second inserting rod 4, mounting holes 6 are respectively arranged at two ends of each second connecting plate 2, the first inserted link 3 and the second inserted link 4 are inserted in the mounting holes 6, the first inserted link 3 and the second inserted link 4 are coaxially arranged, the first inserted link 3 is provided with an inserting hole 5, the inserting hole 5 penetrates through the first inserted link 3 and extends into the second inserted link 4, the inserting hole 5 and the first inserted link 3 are coaxially arranged, a fixed inserting rod 10 is inserted in the inserting hole 5, two symmetrical first fixed rods 81 are inserted and slid on the first connecting plate 1, two symmetrical second fixing rods 82 are inserted and slid on the second connecting plate 2, the fixing plate 8 is hinged on the first connecting plate 1, the fixing plate 8 is provided with a first fixing hole 91 and a second fixing hole 92, the first fixing hole 91 is provided corresponding to the first fixing rod 81 and can be inserted therein, and the second fixing hole 92 is provided corresponding to the second fixing rod 82 and can be inserted therein.
A first sliding groove is formed in the first connecting plate 1, a first sliding rod is connected in the first sliding groove in a sliding mode, two ends of the first sliding rod are inclined planes, one end of the first sliding rod is arranged in the insertion hole 5, a first spring 16 is arranged between the other end of the first sliding rod and the first sliding groove, and the first sliding rod and the first fixing rod 81 are arranged correspondingly.
Be equipped with second spout 17 in the second connecting plate 2, sliding connection has second slide bar 18 in second spout 17, the one end setting of second slide bar 18 is in jack 5, one section that second slide bar 18 was pegged graft in jack 5 is the inclined plane, be equipped with second spring 19 between the other end of second slide bar 18 and second spout 17, second slide bar 18 corresponds the setting with second dead lever 82, second spring 19 cup joints on second dead lever 82 and rather than sliding connection, first connecting plate 1 all is equipped with the slide rail that is used for installing glass fan with the inboard of second connecting plate 2, first spring 16 and second spring 19.
Example 2:
based on embodiment 1, as shown in fig. 4 and 5: one end of fixed inserted bar 10 is the taper, other end fixedly connected with positioner 12, positioner 12 includes mounting panel 121, be equipped with the locating hole 122 that a set of circumference array set up on mounting panel 121, it has the set screw to peg graft in every locating hole 122, the set screw includes screw rod 131, the one end of screw rod 131 cup joints and bolted connection has nut 132, in this embodiment, nut 132 and screw rod 131 fixed connection, the other end of screw rod 131 is equipped with inflation hole 133, be equipped with the fixed ring groove 136 of a set of coaxial setting in inflation hole 133, be equipped with fixed cone 134 in inflation hole 133, the fixed cone 134 outside is equipped with the solid fixed ring 135 of a set of coaxial setting, gu fixed ring 135 corresponds the setting with fixed ring groove 136, the one end that screw rod 131 is equipped with inflation hole 133 is equipped with the cross opening.
Before use, the first positioning device 12 is firstly fixed, when fixing is performed, firstly, an electric drill is used for drilling a reserved hole at an engineering position, then, the corresponding screw 131 is inserted into the reserved hole, then, the screw 131 is extruded in a rotating manner towards the wall, when the fixing cone 134 reaches the bottom of the reserved hole, the end, provided with the fixing ring groove 136, of the screw 131 is expanded due to the inward extrusion force of the screw 131, so that the fixing cone 134 is embedded into the expansion hole 133, the screw 131 is fixed inside the wall due to the thread on the outer side of the screw 131, then, the positioning device 12 is used for fixing the first connecting plate 1, the corresponding insertion hole 5 on the first connecting plate 1 is sleeved on the fixing insertion rod 10, when the fixing insertion rod 10 extrudes the first sliding rod, the first sliding rod moves along the direction of the first spring 16, so that the first sliding rod 81 is extruded and connected to the corresponding first fixing hole 91 on the fixing plate 8 which is adjusted in advance, and then continuing to move, so that the fixed inserted bar 10 is completely inserted into the insertion hole 5, at this time, the two first connecting plates 1 are oppositely arranged, the second connecting plates 2 divided into two parts are respectively arranged at two sides of the first inserted bar 3, and the connection of the two is completed by using bolts, in the connection process, the second sliding bar 18 extrudes and inserts the second fixing rod 82 into the corresponding second fixing hole 92 on the fixed plate 8 which is adjusted in advance, the gap between the first connecting plate 1, the second connecting plate 2 and the wall body can be filled and leveled by using building materials, and the window sash can be completely installed before the second connecting plate 2 is installed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an aluminum alloy window frame convenient to equipment, including two first connecting plates (1) and two second connecting plates (2), second connecting plate (2) set up between two first connecting plates (1), first connecting plate (1) level sets up, the vertical setting of second connecting plate (2), every first connecting plate (1) all sets up with second connecting plate (2) is perpendicular, the both ends of every first connecting plate (1) and second connecting plate (2) are 45 degrees inclined planes, the one end of every first connecting plate (1) all corresponds the setting with the one end of corresponding second connecting plate (2), its characterized in that: two first inserting rods (3) which are symmetrically arranged are inserted and fixed on each first connecting plate (1), and a fixing plate (8) is hinged on each first connecting plate (1); a second inserted bar (4) is fixed at one end of each first inserted bar (3), mounting holes (6) are arranged at two ends of each second connecting plate (2), the first inserted bar (3) and the second inserted bar (4) are inserted in the mounting holes (6), the first inserted bar (3) and the second inserted bar (4) are coaxially arranged, a jack (5) is arranged on the first inserted bar (3), the jack (5) penetrates through the first inserted bar (3) and extends into the second inserted bar (4), the jack (5) and the first inserted bar (3) are coaxially arranged, a fixed inserted bar (10) is inserted in the jack (5), two symmetrical first fixing rods (81) are inserted and slide on the first connecting plate (1), two symmetrical second fixing rods (82) are inserted and slide on the second connecting plate (2), a first fixing hole (91) and a second fixing hole (92) are arranged on the fixing plate (8), the first fixing hole (91) is arranged corresponding to the first fixing rod (81) and can be inserted in the first fixing hole, and the second fixing hole (92) is arranged corresponding to the second fixing rod (82) and can be inserted in the second fixing hole; a first sliding chute (14) is arranged in the first connecting plate (1), a first sliding rod (15) is connected in the first sliding chute (14) in a sliding mode, both ends of the first sliding rod (15) are inclined planes, one end of the first sliding rod (15) is arranged in the insertion hole (5), a first spring (16) is arranged between the other end of the first sliding rod (15) and the first sliding chute (14), and the first sliding rod (15) and the first fixing rod (81) are arranged correspondingly; be equipped with second spout (17) in second connecting plate (2), sliding connection has second slide bar (18) in second spout (17), the one end setting of second slide bar (18) is in jack (5), one section that second slide bar (18) are pegged graft in jack (5) is the inclined plane, be equipped with second spring (19) between the other end of second slide bar (18) and second spout (17), second slide bar (18) correspond the setting with second dead lever (82), second spring (19) cup joint on second dead lever (82) and rather than sliding connection.
2. The aluminum alloy window frame convenient to assemble of claim 1, wherein: one end of the fixed inserted bar (10) is conical, and the other end of the fixed inserted bar is fixedly connected with a positioning device (12).
3. The aluminum alloy window frame convenient to assemble of claim 2, wherein: the positioning device (12) comprises an installation plate (121), a group of positioning holes (122) arranged in a circumferential array are formed in the installation plate (121), and a positioning screw (13) is inserted into each positioning hole (122).
4. The aluminum alloy window frame convenient to assemble of claim 3, wherein: set screw (13) include screw rod (131), and the one end of screw rod (131) is cup jointed and bolted connection has nut (132), and the other end of screw rod (131) is equipped with expansion hole (133), is equipped with fixed ring groove (136) of a set of coaxial setting in expansion hole (133), is equipped with solid fixed cone (134) in expansion hole (133), and gu fixed cone (134) outside is equipped with solid fixed ring (135) of a set of coaxial setting, gu fixed ring (135) correspond with solid fixed ring groove (136) and set up.
5. The aluminum alloy window frame convenient to assemble of claim 4, wherein: the end of the screw rod (131) provided with the expansion hole (133) is provided with a cross-shaped opening.
6. The aluminum alloy window frame convenient to assemble of claim 1, wherein: the inner sides of the first connecting plate (1) and the second connecting plate (2) are provided with sliding rails for mounting glass fans.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911077664.7A CN110924821B (en) | 2019-11-06 | 2019-11-06 | Aluminum alloy window frame convenient to equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911077664.7A CN110924821B (en) | 2019-11-06 | 2019-11-06 | Aluminum alloy window frame convenient to equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110924821A CN110924821A (en) | 2020-03-27 |
| CN110924821B true CN110924821B (en) | 2021-11-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911077664.7A Active CN110924821B (en) | 2019-11-06 | 2019-11-06 | Aluminum alloy window frame convenient to equipment |
Country Status (1)
| Country | Link |
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| CN (1) | CN110924821B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113236075B (en) * | 2021-04-28 | 2023-01-10 | 中颐工科工程技术有限公司 | Door and window convenient to installation based on architectural design structure |
| CN115030634B (en) * | 2022-06-21 | 2024-06-07 | 浙江旭瑞节能科技有限公司 | Quick-dismantling aluminum alloy door and window |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1683304A1 (en) * | 1968-01-15 | 1971-05-19 | Groke Kg | Corner connection for window frames or the like. from box section bars |
| US3778932A (en) * | 1972-02-14 | 1973-12-18 | Holophane Co Inc | Door and hinge assembly |
| JPH11101073A (en) * | 1997-09-26 | 1999-04-13 | Tostem Corp | Opening part device |
| EP1069849B1 (en) * | 1998-04-09 | 2002-07-24 | JUNG, Horst | Front element for an item of furniture |
| KR20130000916U (en) * | 2012-11-28 | 2013-02-06 | 김영숙 | Assembling structure of door flame |
| CN108915540A (en) * | 2018-06-30 | 2018-11-30 | 安徽安旺门业股份有限公司 | A kind of steel wood composite fire door |
-
2019
- 2019-11-06 CN CN201911077664.7A patent/CN110924821B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1683304A1 (en) * | 1968-01-15 | 1971-05-19 | Groke Kg | Corner connection for window frames or the like. from box section bars |
| US3778932A (en) * | 1972-02-14 | 1973-12-18 | Holophane Co Inc | Door and hinge assembly |
| JPH11101073A (en) * | 1997-09-26 | 1999-04-13 | Tostem Corp | Opening part device |
| EP1069849B1 (en) * | 1998-04-09 | 2002-07-24 | JUNG, Horst | Front element for an item of furniture |
| KR20130000916U (en) * | 2012-11-28 | 2013-02-06 | 김영숙 | Assembling structure of door flame |
| CN108915540A (en) * | 2018-06-30 | 2018-11-30 | 安徽安旺门业股份有限公司 | A kind of steel wood composite fire door |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110924821A (en) | 2020-03-27 |
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Effective date of registration: 20211021 Address after: 530000 No. 2703, South office building of Nanning China Resources Center, 136-5 Minzu Avenue, Qingxiu District, Nanning City, Guangxi Zhuang Autonomous Region Applicant after: Guangxi Runchang Decoration Engineering Co.,Ltd. Address before: 234000 shaowang village, Jinhai street, Suzhou City, Anhui Province Applicant before: Suzhou Yijia door and window Engineering Co.,Ltd. |
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