CN113323197B - Novel green energy-saving building curtain wall - Google Patents
Novel green energy-saving building curtain wall Download PDFInfo
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- CN113323197B CN113323197B CN202110093810.6A CN202110093810A CN113323197B CN 113323197 B CN113323197 B CN 113323197B CN 202110093810 A CN202110093810 A CN 202110093810A CN 113323197 B CN113323197 B CN 113323197B
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- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 239000000725 suspension Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000005034 decoration Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/88—Curtain walls
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/88—Curtain walls
- E04B2/96—Curtain walls comprising panels attached to the structure through mullions or transoms
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/88—Curtain walls
- E04B2/96—Curtain walls comprising panels attached to the structure through mullions or transoms
- E04B2/965—Connections of mullions and transoms
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
- E04B9/06—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation characterised by constructional features of the supporting construction, e.g. cross section or material of framework members
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Curtains And Furnishings For Windows Or Doors (AREA)
Abstract
The invention discloses a novel green energy-saving building curtain wall, which comprises: the ceiling hanging piece is provided with straight grooves on the side walls of two sides of the ceiling hanging piece; the side surface of the adjusting piece is provided with an adjusting groove, the bottom surface of the adjusting piece is provided with a connecting groove and a sliding groove, and the adjusting piece is installed in the groove; the top surface of the top piece is provided with a top column, a slope II is arranged on the top column, the slope I is matched with the slope II, the top column is matched with the sliding groove, two top surfaces are symmetrically arranged on the bottom surface of the top piece, the top surfaces are inclined surfaces, and the top piece is installed at the bottom of the adjusting piece; first and second hinged members hingedly connected, and other components; the curtain wall is fixed by adjusting the first and second hinge parts through the adjusting part, so that the curtain wall can be conveniently and laborsavingly installed, a large number of bolts for fixing can be saved, and the structure is stable and can be recycled for many times.
Description
Technical Field
The invention relates to the field of building curtain walls, in particular to a novel green energy-saving building curtain wall.
Background
The existing building curtain wall is generally provided with hanging pieces arranged on a ceiling, vertical plates of the curtain wall are fixed on the hanging pieces, and decorative plates are fixed on the outer sides of the vertical plates. In the fixing and mounting process, a large number of bolts and screws are matched for fixing. Some risers also require field measurements to be perforated.
In addition, in the installation and use process, in order to avoid the vertical plates of the hanging piece and the curtain wall from shaking or sliding down, the slotted holes are required to be formed for reinforcement, so that a plurality of bolts are used on the vertical plates of the hanging piece and the curtain wall. The bearing capacity of the existing hollow curtain wall or solid curtain wall is poor, and the problem of separation is easy to occur when the decoration or the flowerpot is placed by matching with an external support. And after finishing decoration, the existing curtain wall is troublesome to lay the circuit line again.
Therefore, there is a need for a new green energy-saving building curtain wall that can solve one or more of the above problems.
Disclosure of Invention
In order to solve one or more problems in the prior art, the invention provides a novel green energy-saving building curtain wall. The technical scheme adopted by the invention for solving the problems is as follows: a novel green energy-saving building curtain wall, it includes: the bottom surface of the ceiling hanging piece is provided with a groove, the side walls of two sides of the ceiling hanging piece are provided with straight grooves, and the straight grooves are connected with the grooves;
the adjusting part is provided with an adjusting groove on the right side surface or the left side surface, the bottom surface of the adjusting part is provided with a connecting groove and a sliding groove, the distance between the sliding groove and the outer end surface of the adjusting groove is greater than the distance between the connecting groove and the outer end surface of the adjusting groove, the front side surface and the rear side surface of the adjusting part are matched with the groove, and the adjusting part is installed in the groove;
the slider is provided with a first slope and matched with the adjusting groove, and the slider is slidably installed in the adjusting groove;
the baffle plate is provided with a screw hole, the baffle plate is matched with the connecting groove, and the baffle plate is fixedly arranged in the connecting groove;
the adjusting screw is arranged on the screw hole, and when the adjusting screw is screwed towards the inner side, the slider is pushed inwards or is propped against the slider;
the top surface of the ejecting piece is provided with an ejecting column, a slope II is arranged on the ejecting column, the slope I is matched with the slope II, the ejecting column is matched with the sliding groove, two top surfaces are symmetrically arranged on the bottom surface of the ejecting piece, the top surfaces are inclined surfaces, and the ejecting piece is installed at the bottom of the adjusting piece;
the upper end part of the first hinge part is provided with a first sliding column which is matched with the straight groove, and the upper end part of the first hinge part is arranged in the straight groove;
the upper end part of the second hinge part is provided with a second sliding column which is matched with the straight groove, the first sliding column and the second sliding column are arranged in different straight grooves, the first hinge part is hinged with the second hinge part through a connecting piece, and the upper end part of the second hinge part is arranged in the straight groove;
the top surface is matched with the first hinge piece and the second hinge piece to limit the first hinge piece and the second hinge piece to rotate;
the curtain, the upper end of curtain is provided with the slot, the lower tip difference joint of first, second articulated elements is fixed on the both sides of slot. This is the basis.
Further, the height of the slider is smaller than the height of the adjustment slot; further comprising: the shape and the size of the top plate are matched with those of the adjusting groove, the top plate is slidably mounted in the adjusting groove, the top plate is tightly attached to the outer side face of the sliding piece, and the adjusting screw pushes or supports against the top plate when being screwed towards the inner side.
Furthermore, the ceiling hanging piece is U-shaped and is fixed on a ceiling or a ceiling hanging frame through expansion bolts, and reinforcing ribs are arranged at the corners of the ceiling hanging piece.
Further, the top piece is triangular, and an included angle between the two top surfaces is smaller than or equal to 120 degrees and larger than or equal to 30 degrees.
Further, a flange is arranged on the inner side face of the upper end of the groove, a fixing groove is formed in the bottom face of the flange, and the lower end portions of the first hinge piece and the second hinge piece are matched with the fixing groove.
Further, still include: the link, the upper end of link is provided with the joint spout, the side of link is provided with the wiring groove, the side fixedly connected with layer board of link, the layer board sets up wiring groove upside or downside, the layer board bottom is provided with flange, flange is used for the joint to connect, the link passes through joint spout fixed mounting be in the curtain bottom.
Furthermore, the connecting flanges are symmetrically arranged and are L-shaped.
The invention has the advantages that the ceiling hanging piece, the adjusting piece, the sliding piece, the baffle, the top piece, the first hinge piece, the second hinge piece and other parts are connected together through a smart structure, so that the upper end part of the curtain wall can be conveniently and quickly fixed and installed, and the curtain wall can adapt to various curtain walls with different widths through adjustment; the installation, dismantle convenient and fast, laborsaving, can retrieve the subassembly and carry out repetitious usage when the atress structure does not damage, save the bolt of a large amount of fixed connection curtain riser and improve staff's work efficiency. The practical value of the invention is greatly improved.
Drawings
FIG. 1 is a perspective view of a novel green energy-saving building curtain wall according to the present invention;
FIG. 2 is a schematic view of a novel green energy-saving building curtain wall according to the present invention;
FIG. 3 is an exploded view of a new green energy-saving building curtain wall according to the present invention;
FIG. 4 is a side view of a new green energy saving building curtain wall of the present invention;
FIG. 5 is a cross-sectional view at A-A of a side view of the novel green energy-saving building curtain wall.
[ reference numerals ]
101. ceiling hanger
102. groove
103. straight tank
201. regulating part
202. regulating tank
203. connecting groove
204. chute
210 sliding part
211. top plate
212 baffle
213. screw hole
214. adjusting screw
301. top piece
302. top column
303. top surface
401. first hinge
402. first sliding column
410. second hinge
411. second sliding column
420. connecting piece
501 curtain wall
502. groove
503. flange
504. fixed groove
601. connecting rack
602. clamping chute
603. Wiring groove
604. pallet
605. connecting the flanges.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
As shown in fig. 1-5, the invention discloses a novel green energy-saving building curtain wall, which comprises: the ceiling hanging piece 101 is provided with a groove 102 on the bottom surface of the ceiling hanging piece 101, the side walls of two sides of the ceiling hanging piece 101 are provided with straight grooves 103, and the straight grooves 103 are connected with the groove 102;
an adjusting piece 201, an adjusting groove 202 is arranged on the right side surface or the left side surface of the adjusting piece 201, a connecting groove 203 and a sliding groove 204 are arranged on the bottom surface of the adjusting piece 201, the distance between the sliding groove 204 and the outer side end surface of the adjusting groove 202 is greater than the distance between the connecting groove 203 and the outer side end surface of the adjusting groove 202, the front side surface and the rear side surface of the adjusting piece 201 are matched with the groove 102, and the adjusting piece 201 is installed in the groove 102;
the shape of the adjusting piece 201 is matched with that of the ceiling hanging piece 101;
a slider 210, wherein a first slope is arranged on the slider 210, the slider 210 is matched with the adjustment slot 202, and the slider 210 is slidably mounted in the adjustment slot 202;
the baffle plate 212 is provided with a screw hole 213, the baffle plate 212 is matched with the connecting groove 203, and the baffle plate 212 is fixedly arranged in the connecting groove 203;
the adjusting screw 214 is mounted on the screw hole 213, and when the adjusting screw 214 is screwed inwards, the slider 210 is pushed inwards or is abutted against the slider 210;
the top part 301, a top post 302 is arranged on the top surface of the top part 301, a second slope is arranged on the top post 302, the first slope is matched with the second slope, the top post 302 is matched with the chute 204, two top surfaces 303 are symmetrically arranged on the bottom surface of the top part 301, the top surfaces 303 are inclined surfaces, and the top part 301 is installed at the bottom of the adjusting part 201;
a first hinge 401, an upper end portion of the first hinge 401 being provided with a first sliding column 402, the first sliding column 402 being engaged with the straight slot 103, the upper end portion of the first hinge 401 being mounted in the straight slot 103;
a second hinge member 410, wherein the upper end of the second hinge member 410 is provided with a second sliding column 411, the second sliding column 411 is matched with the straight slot 103, the first sliding column and the second sliding column are installed in different straight slots 103, the first hinge member 401 is hinged with the second hinge member 410 through a connecting member 420, and the upper end of the second hinge member 410 is installed in the straight slot 103;
the top surface 303 is matched with the first and second hinge parts to limit the first and second hinge parts to rotate;
It should be noted that, when in use, the lower end portions of the first and second hinge members are broken inward, the included angle between the lower end portions and the lower end portions is reduced, and the first and second hinge members are installed in the straight groove 103 at the same time, and the first and second hinge members are installed in the straight groove 103 in a sliding manner through the cooperation between the first and second sliding posts and the two straight grooves 103; installing said adjusting member 201 and said top member 301 in said ceiling suspension member 101, said adjusting member 201 abutting said ceiling suspension member 101, said top member 301 abutting said first and second hinge members; screwing adjusting screw 214 at this moment and promoting slider 210 removes, through slider 210 with the slope cooperation between the fore-set 302, top 301 is pushed up down, top 301 passes through top surface 303 will first, two articulated elements strut and fix on certain angle, after strutting the lower tip of first, two articulated elements with slot 502 joint cooperation on the curtain 501 realizes the hoist and mount and fixed of curtain.
Specifically, as shown in fig. 5, the height of the slider 210 is generally equal to the height of the adjustment slot 202, facilitating a ramp fit to lift the component against. In order to reduce the volume and strengthen the structure, the height of the slider 210 can be smaller than the height of the adjustment slot 202; further comprising: the shape and the size of the top plate 211 are matched with the adjusting groove 202, the top plate 211 is slidably mounted in the adjusting groove 202, the top plate 211 is tightly attached to the outer side surface of the slider 210, and the adjusting screw 214 pushes or abuts against the top plate 211 when being screwed inwards; in this way, when the slider 210 completely pushes the top column 302 against the plane, the component of the force applied to the adjusting screw 214 in the vertical direction of the top column 302 is greatly reduced, thereby improving the connection strength.
Specifically, as shown in fig. 3 to 5, the ceiling suspension member 101 is generally U-shaped and fixed to a ceiling or a ceiling hanger by expansion bolts, and reinforcing ribs are provided at corners of the ceiling suspension member 101. In order to facilitate the top member 301 to prop apart the first and second hinge members and fix the curtain wall 501, the top member 301 is generally triangular, and an included angle between the two top surfaces 303 is less than or equal to 120 ° and greater than or equal to 30 °.
Specifically, as shown in fig. 1, a flange 503 is disposed on an inner side surface of an upper end of the groove 502, a fixing groove 504 is disposed on a bottom surface of the flange 503, and lower end portions of the first and second hinges are engaged with the fixing groove 504. Yet another embodiment is: the curtain wall structure is characterized by further comprising a connecting frame 601, a clamping sliding groove 602 is formed in the upper end portion of the connecting frame 601, a wiring groove 603 is formed in the side face of the connecting frame 601, a supporting plate 604 is fixedly connected to the side face of the connecting frame 601, the supporting plate 604 is arranged on the upper side or the lower side of the wiring groove 603, a connecting flange 605 is arranged at the bottom of the supporting plate 604 and used for clamping connection, and the connecting frame 601 is fixedly installed at the bottom of the curtain wall 501 through the clamping sliding groove 602. Generally, the connecting flanges 605 are symmetrically arranged, and the connecting flanges 605 are L-shaped. The connecting frame 601 is used for placing articles and laying lines, and the bottom of the connecting frame can be connected with a supporting base or a supporting frame.
In summary, the ceiling hanging piece 101, the adjusting piece 201, the slider 210, the baffle 212, the top piece 301, the first and second hinge pieces and other components are connected together through a smart structure, so that the upper end of the curtain wall can be conveniently and quickly fixed and installed, and the curtain wall can be adjusted to be suitable for various curtain walls with different widths; the installation, dismantle convenient and fast, laborsaving, can retrieve the subassembly and carry out repetitious usage when the atress structure does not damage, save the bolt of a large amount of fixed connection curtain riser and improve staff's work efficiency. The practical value of the invention is greatly improved.
The above-described examples merely represent one or more embodiments of the present invention, which are described in greater detail and detail, but are not to be construed as limiting the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the spirit of the invention, which falls within the scope of the invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (7)
1. The utility model provides a novel green energy-conserving building curtain which characterized in that includes: the bottom surface of the ceiling hanging piece is provided with a groove, the side walls of two sides of the ceiling hanging piece are provided with straight grooves, and the straight grooves are connected with the grooves;
the adjusting part is provided with an adjusting groove on the right side surface or the left side surface, the bottom surface of the adjusting part is provided with a connecting groove and a sliding groove, the distance between the sliding groove and the outer end surface of the adjusting groove is greater than the distance between the connecting groove and the outer end surface of the adjusting groove, the front side surface and the rear side surface of the adjusting part are matched with the groove, and the adjusting part is installed in the groove;
the slider is provided with a first slope and matched with the adjusting groove, and the slider is slidably installed in the adjusting groove;
the baffle plate is provided with a screw hole, the baffle plate is matched with the connecting groove, and the baffle plate is fixedly arranged in the connecting groove;
the adjusting screw is arranged on the screw hole, and when the adjusting screw is screwed towards the inner side, the slider is pushed inwards or is propped against the slider;
the top surface of the ejecting piece is provided with an ejecting column, a slope II is arranged on the ejecting column, the slope I is matched with the slope II, the ejecting column is matched with the sliding groove, two top surfaces are symmetrically arranged on the bottom surface of the ejecting piece, the top surfaces are inclined surfaces, and the ejecting piece is installed at the bottom of the adjusting piece;
the upper end part of the first hinge part is provided with a first sliding column which is matched with the straight groove, and the upper end part of the first hinge part is arranged in the straight groove;
the upper end part of the second hinge part is provided with a second sliding column which is matched with the straight groove, the first sliding column and the second sliding column are arranged in different straight grooves, the first hinge part is hinged with the second hinge part through a connecting piece, and the upper end part of the second hinge part is arranged in the straight groove;
the top surface is matched with the first hinge piece and the second hinge piece to limit the first hinge piece and the second hinge piece to rotate;
the curtain, the upper end of curtain is provided with the slot, the lower tip difference joint of first, second articulated elements is fixed on the both sides of slot.
2. The new green energy saving building curtain wall as claimed in claim 1, wherein the height of the slider is less than the height of the adjustment slot;
further comprising: the shape and the size of the top plate are matched with those of the adjusting groove, the top plate is slidably mounted in the adjusting groove, the top plate is tightly attached to the outer side face of the sliding piece, and the adjusting screw pushes or supports against the top plate when being screwed towards the inner side.
3. The novel green energy-saving building curtain wall as claimed in claim 1, wherein the ceiling hanger is U-shaped and fixed to a ceiling or a ceiling hanger through expansion bolts, and reinforcing ribs are arranged at corners of the ceiling hanger.
4. The novel green energy-saving building curtain wall as claimed in claim 1, wherein the top member is triangular, and an included angle between the two top surfaces is less than or equal to 120 degrees and greater than or equal to 30 degrees.
5. The new green energy saving building curtain wall as claimed in claim 1, wherein the groove has a flange on the inner side of the upper end, the flange has a fixing groove on the bottom, and the lower ends of the first and second hinges are engaged with the fixing groove.
6. The novel green energy-saving building curtain wall as claimed in claim 1, further comprising: the link, the upper end of link is provided with the joint spout, the side of link is provided with the wiring groove, the side fixedly connected with layer board of link, the layer board sets up wiring groove upside or downside, the layer board bottom is provided with flange, flange is used for the joint to connect, the link passes through joint spout fixed mounting be in the curtain bottom.
7. A novel green energy-saving building curtain wall as claimed in claim 6, wherein the connecting flanges are symmetrically arranged and are L-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110093810.6A CN113323197B (en) | 2021-01-22 | 2021-01-22 | Novel green energy-saving building curtain wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110093810.6A CN113323197B (en) | 2021-01-22 | 2021-01-22 | Novel green energy-saving building curtain wall |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113323197A CN113323197A (en) | 2021-08-31 |
| CN113323197B true CN113323197B (en) | 2022-05-10 |
Family
ID=77413469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110093810.6A Active CN113323197B (en) | 2021-01-22 | 2021-01-22 | Novel green energy-saving building curtain wall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113323197B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210105100U (en) * | 2019-04-01 | 2020-02-21 | 佛山市华狮龙金属装饰制品有限公司 | Ceiling of hidden fossil fragments structure and applied this structure |
| CN111119426A (en) * | 2020-01-20 | 2020-05-08 | 上海羽果装饰设计有限公司 | Mounting system of ceiling hidden groove hidden lamp |
| CN210857708U (en) * | 2019-09-05 | 2020-06-26 | 深圳市宝晟建设集团有限公司 | Furred ceiling conversion layer connection structure |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8889984B2 (en) * | 2013-02-28 | 2014-11-18 | Hubbell Incorporated | Mounting brace assembly for mounting an electrical box |
| AU2018276075B2 (en) * | 2017-06-02 | 2023-07-13 | Locking Key Pty Ltd | A suspended ceiling hanger clip |
-
2021
- 2021-01-22 CN CN202110093810.6A patent/CN113323197B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210105100U (en) * | 2019-04-01 | 2020-02-21 | 佛山市华狮龙金属装饰制品有限公司 | Ceiling of hidden fossil fragments structure and applied this structure |
| CN210857708U (en) * | 2019-09-05 | 2020-06-26 | 深圳市宝晟建设集团有限公司 | Furred ceiling conversion layer connection structure |
| CN111119426A (en) * | 2020-01-20 | 2020-05-08 | 上海羽果装饰设计有限公司 | Mounting system of ceiling hidden groove hidden lamp |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113323197A (en) | 2021-08-31 |
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Address after: No. c118, No. 1101, 1st floor, Haishan street, Guangdong Province Patentee after: Shenzhen AVIC Kejian Construction Group Co.,Ltd. Address before: No. c118, No. 1101, 1st floor, Haishan street, Guangdong Province Patentee before: Shenzhen Zhonghang Decoration Design Engineering Co.,Ltd. |
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