CN215716264U - Waterproof outer wall structure of building engineering - Google Patents
Waterproof outer wall structure of building engineering Download PDFInfo
- Publication number
- CN215716264U CN215716264U CN202122252689.5U CN202122252689U CN215716264U CN 215716264 U CN215716264 U CN 215716264U CN 202122252689 U CN202122252689 U CN 202122252689U CN 215716264 U CN215716264 U CN 215716264U
- Authority
- CN
- China
- Prior art keywords
- wall body
- waterproof
- sealing strip
- drain pipe
- wall structure
- 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
- 238000007789 sealing Methods 0.000 claims abstract description 50
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 45
- 238000009413 insulation Methods 0.000 claims abstract description 15
- 230000009467 reduction Effects 0.000 claims description 27
- 230000006837 decompression Effects 0.000 claims description 11
- 239000004570 mortar (masonry) Substances 0.000 claims description 9
- 238000010276 construction Methods 0.000 claims description 8
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 5
- 238000009499 grossing Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 9
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 3
- 239000012634 fragment Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 239000000565 sealant Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
Images
Landscapes
- Building Environments (AREA)
Abstract
The utility model discloses a waterproof outer wall structure of constructional engineering, which comprises an upper wall body, a lower wall body, a first sealing strip and a second sealing strip, wherein a pressure reducing groove which is sunken downwards is arranged at the top of the lower wall body; and the heat insulation layers of the upper wall body and the lower wall body are arranged on the inner side of the second sealing strip. The waterproof outer wall structure for the building engineering is provided with multiple layers of waterproof arrangements, can plug before water leaks to the heat insulation layer, and improves the waterproof effect of the assembled wall body.
Description
Technical Field
The utility model relates to the technical field of constructional engineering, in particular to a waterproof outer wall structure of constructional engineering.
Background
The fabricated building is a building which is fabricated by transferring a large amount of field operation work in the conventional construction mode to a factory, processing and manufacturing building components and accessories such as floor slabs, walls, stairs, balconies and the like in the factory, transporting the components and accessories to a building construction site, and assembling and installing the components and the accessories on the site in a reliable connection mode. The fabricated building greatly shortens the construction period, saves the construction cost and gets more and more attention and development.
However, the existing fabricated building outer wall has a waterproof problem, and the joint wall joint is mostly waterproof by adopting a single outside sealing filling strip and applying a sealant. However, due to construction defects and long-term adverse external environmental influences, the sealant falls off or loses efficacy, which can cause water leakage and water seepage. And after the sandwich insulation board is affected with damp, the insulation performance can be reduced, and the building quality is seriously affected.
Therefore, it is necessary to develop a waterproof exterior wall structure for construction engineering in view of the above-mentioned drawbacks.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a waterproof outer wall structure for building engineering, which is provided with multiple layers of waterproof arrangements, can be plugged before water leaks to a heat-insulating layer, and improves the waterproof effect of an assembled wall body.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model relates to a waterproof outer wall structure of constructional engineering, which comprises an upper wall body, a lower wall body, a first sealing strip and a second sealing strip, wherein a pressure reducing groove which is sunken downwards is arranged at the top of the lower wall body; and the heat insulation layers of the upper wall body and the lower wall body are arranged on the inner side of the second sealing strip.
Furthermore, the profile of the bottom surface of the pressure reduction groove is triangular or circular arc, and the surface of the pressure reduction groove is covered with a waterproof mortar layer and is subjected to smoothing treatment.
Further, still include the drain pipe, the drain pipe is pre-buried the decompression groove bottom and slant are down set up, the drain pipe lower extreme is derived on the wall body outer wall down.
Furthermore, a drainage slot hole is formed in the lower end opening of the drainage pipe on the outer wall of the lower wall body, the drainage slot hole is formed in the middle of the lower wall body, and the depth of the pressure reduction groove is the lowest at the top end of the drainage pipe.
Further, the pressure reduction groove is provided with a stainless steel filter screen at the top end of the drain pipe.
Furthermore, a water retaining cover plate is arranged at the bottom end of the drain pipe and is hinged to the pin shaft sleeve seat at the top of the drain pipe through a pin shaft at the top; the upper part of the bottom end face of the drain pipe is arranged in a retracted and inclined mode, and the water retaining cover plate blocks the bottom end face under the self weight.
Furthermore, the second sealing strip is an embedded rubber strip, and the upper wall body and the lower wall body are horizontally provided with mounting elongated slots at the positions where the second sealing strip is mounted.
Compared with the prior art, the waterproof outer wall structure for the building engineering has the beneficial effects that:
according to the waterproof outer wall structure for the building engineering, a multi-layer waterproof structure can be formed by arranging the first sealing strip, the pressure reduction chamber and the second sealing strip between the upper wall body and the lower wall body, rainwater on the outer wall can be prevented from entering the first sealing strip preliminarily, if the rainwater passes through the first sealing strip, the rainwater can enter the pressure reduction groove of the pressure reduction chamber to avoid further inward penetration, and the second sealing strip can play a final waterproof barrier to avoid the rear heat insulation layer from expanding after being wetted, so that the heat insulation performance is reduced. Meanwhile, the water baffle table with a slightly higher height can prevent water leaking into the pressure reduction groove from diffusing inwards. The waterproof outer wall structure for the building engineering is provided with multiple layers of waterproof arrangements, can plug before water leaks to the heat insulation layer, and improves the waterproof effect of the assembled wall body.
In addition, through the surface of the pressure reduction tank covered with the waterproof mortar layer and smooth treatment, through the waterproof mortar with high density, the leakage water in the pressure reduction tank can be prevented from permeating from the bottom to the wall, the steel bar framework is corroded, and the strength of the wall is reduced. The water draining pipe is arranged at the bottom of the pressure reducing tank, so that water permeating into the pressure reducing tank can be drained, and the slow permeation of the water accumulated in the pressure reducing tank for a long time is avoided; the depth of the pressure reducing groove is deepest at the top end of the drainage pipe at the middle position, so that water accumulated in the whole pressure reducing groove can be effectively and smoothly discharged out of a wall. Through the setting of sluicing slotted hole, can hide the drain pipe bottom, avoid the protrusion to set up the influence transportation or receive external force easily to damage. Through the setting of stainless steel filter screen, debris such as building fragment that can avoid falling into the relief groove blocks up the drain pipe. Through utilizing the confined manger plate apron of dead weight normality, can prevent effectively that external debris from entering into the wall body through the drain pipe. Through the embedded installation second sealing strip of elongated slot, can prevent that the second sealing strip from misplacing, joint strength is high moreover, avoids steam to pass through, and water-proof effects is good.
Drawings
The utility model is further illustrated in the following description with reference to the drawings.
FIG. 1 is a schematic sectional structural view of a waterproof outer wall structure of the constructional engineering of the present invention;
FIG. 2 is a schematic view of a portion I in FIG. 1;
fig. 3 is a schematic front view of the lower wall according to the present invention.
Description of reference numerals: 1. an upper wall body; 101. a heat-insulating layer; 2. a lower wall body; 201. a pressure reducing tank; 202. a water retaining platform; 203. a water drain hole; 3. a first seal strip; 4. a second seal strip; 5. a joint filling plate; 6. a drain pipe; 601. a water retaining cover plate.
Detailed Description
The core of the utility model is to provide a waterproof outer wall structure for building engineering, which is provided with a plurality of layers of waterproof arrangements, can be plugged before water leaks to a heat-insulating layer, and improves the waterproof effect of an assembled wall body.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to the attached drawings, fig. 1 is a structural schematic sectional view of a waterproof outer wall structure of a building engineering of the utility model; FIG. 2 is a schematic view of a portion I in FIG. 1; fig. 3 is a schematic front view of the lower wall according to the present invention.
In a specific embodiment, as shown in fig. 1 to 3, the waterproof outer wall structure of the building engineering of the present invention includes an upper wall 1, a lower wall 2, a first sealing strip 3 and a second sealing strip 4, a pressure-reducing tank 201 that is recessed downward is disposed on the top surface of the lower wall 2, and the first sealing strip 3 is disposed between the outer flat top of the pressure-reducing tank 201 and the bottom surface of the upper wall 1, that is, the first sealing strip 3 seals the outer splicing horizontal joint of the outer wall, and the splicing joint may be sealed by a sealing rubber strip or a sealing glue. The water stop 202 is arranged on the inner side of the pressure reducing groove 201 and is higher than the outer side, and the second sealing strip 4 is arranged between the water stop 202 and the bottom surface of the upper wall body 1. A pressure reducing chamber is arranged between the upper part of the pressure reducing groove 201 and the top surface of the upper wall body 1, so that water vapor can be prevented from continuously diffusing inwards. The heat insulation layers 101 of the upper wall body 1 and the lower wall body 2 are arranged on the inner side of the second sealing strip 4, and the gap between the upper wall body 1 and the lower wall body 2 is filled with a joint filling plate 5 on the inner side.
Through setting up first sealing strip 3 between last wall body 1 and lower wall body 2, decompression chamber and second sealing strip 4 can form multi-level waterproof construction, first sealing strip 3 can tentatively prevent the external wall rainwater from invading, if the rainwater passes through behind first sealing strip 3, can enter into the decompression groove 201 of decompression chamber, avoid further inside infiltration, second sealing strip 4 can play final waterproof barrier, avoid the heat preservation 101 at rear to swell after weing, reduce thermal-insulated thermal insulation performance. At the same time, the water blocking table 202 having a slightly higher height can prevent water leaking into the pressure-reducing tank 201 from diffusing inward. The waterproof outer wall structure for the building engineering is provided with multiple layers of waterproof arrangements, can plug before water leaks to the heat insulation layer, and improves the waterproof effect of the assembled wall body.
In one embodiment, as shown in fig. 1 and 2, the profile of the bottom surface of the pressure-reducing tank 201 is triangular or circular arc, and the surface of the pressure-reducing tank 201 is covered with a waterproof mortar layer and smoothed. Obviously, the surface of the pressure reducing tank 201 can also be treated by brushing waterproof glue, so as to avoid the water leakage from permeating into the wall body in the pressure reducing tank 201, and similar simple deformation modes all fall into the protection scope of the utility model.
Through decompression groove 201 surface covering waterproof mortar layer and smooth processing, through setting up the waterproof mortar that the density is high, can avoid the percolating water in decompression groove 201 to permeate to the wall body by the bottom, carry out the corrosion to steel reinforcement skeleton, reduce wall body intensity.
In a specific embodiment, as shown in fig. 1 to 3, the waterproof outer wall structure for building engineering further includes a drain pipe 6, the drain pipe 6 is pre-embedded at the bottom of the pressure reduction tank 201 and is arranged obliquely downward, and the lower end of the drain pipe 6 is led out of the outer wall of the lower wall 2.
Specifically, as shown in fig. 1 to 3, a drain slot 203 is formed in the outer wall of the lower wall 2 at the lower port of the drain pipe 6, the drain slot 203 is formed in the middle of the lower wall 2, and the depth of the pressure reduction tank 201 is the lowest at the top end of the drain pipe 6.
Specifically, the pressure reducing tank 201 is provided with a stainless steel filter screen at the top end of the drain pipe 6.
Specifically, as shown in fig. 3, a water retaining cover plate 601 is disposed at the bottom end of the drain pipe 6, and the water retaining cover plate 601 is hinged to a pin bushing seat at the top of the drain pipe 6 through a pin shaft at the top. The upper part of the bottom end surface of the water drainage pipe 6 is arranged in a retracted and inclined mode, and the water retaining cover plate 601 blocks the bottom end surface under the self weight.
The drain pipe 6 is arranged at the bottom of the pressure reduction tank 201, so that water permeating into the pressure reduction tank 201 can be discharged, and slow permeation accumulated in the pressure reduction tank 201 for a long time is avoided; by setting the depth of the pressure reducing tank 201 to be deepest at the top end of the drain pipe 6 at the intermediate position, the water accumulated in the entire pressure reducing tank 201 can be effectively and smoothly discharged to the outside of the wall. Through the setting of sluicing slotted hole 203, can hide drain pipe 6 bottom, avoid the protrusion to set up the influence transportation or receive external force easily to damage. By the arrangement of the stainless steel filter screen, the drainage pipe 6 can be prevented from being blocked by sundries such as building fragments falling into the pressure reduction tank 201. Through utilizing the confined manger plate apron 601 of dead weight normality, can prevent effectively that external debris from entering into the wall body through drain pipe 6.
In a specific embodiment, as shown in fig. 1, the second sealing strip 4 is an embedded rubber strip, and the upper wall 1 and the lower wall 2 are horizontally provided with an installation long groove at the position where the second sealing strip 4 is installed.
Through the embedded installation second sealing strip 4 of elongated slot, can prevent that second sealing strip 4 from misplacing, joint strength is high moreover, avoids steam to pass through, and water-proof effects is good.
The working principle of the waterproof outer wall structure of the building engineering is as follows: the first sealing strip 3 can block rainwater flowing down along the wall body at the outermost side, and when the first sealing strip 3 fails, the rainwater permeates into a wall gap and can flow into the decompression groove 201 of the decompression chamber. And is discharged out of the wall body through the drain pipe 6 at the lowest position under the self-weight action of water. Of course, the second sealing strip 4 can prevent water vapor from passing through, and effectively protects the heat-insulating layer 101.
According to the waterproof outer wall structure for the building engineering, a multi-layer waterproof structure can be formed by arranging the first sealing strip 3, the pressure reduction chamber and the second sealing strip 4 between the upper wall 1 and the lower wall 2, the first sealing strip 3 can preliminarily prevent rainwater of an outer wall from entering, if the rainwater passes through the first sealing strip 3, the rainwater can enter the pressure reduction groove 201 of the pressure reduction chamber to avoid further inward penetration, the second sealing strip 4 can play a final waterproof barrier to avoid the rear heat insulation layer 101 from expanding after being wetted, and the heat insulation performance is reduced. At the same time, the water blocking table 202 having a slightly higher height can prevent water leaking into the pressure-reducing tank 201 from diffusing inward. The waterproof outer wall structure for the building engineering is provided with multiple layers of waterproof arrangements, can plug before water leaks to the heat insulation layer, and improves the waterproof effect of the assembled wall body. In addition, through decompression groove 201 surface covering waterproof mortar layer and smooth processing, through setting up the waterproof mortar that the density is high, can avoid the percolating water in decompression groove 201 to the wall body infiltration by the bottom, carry out the corrosion to the framework of steel reinforcement, reduce wall body intensity. The drain pipe 6 is arranged at the bottom of the pressure reduction tank 201, so that water permeating into the pressure reduction tank 201 can be discharged, and slow permeation accumulated in the pressure reduction tank 201 for a long time is avoided; by setting the depth of the pressure reducing tank 201 to be deepest at the top end of the drain pipe 6 at the intermediate position, the water accumulated in the entire pressure reducing tank 201 can be effectively and smoothly discharged to the outside of the wall. Through the setting of sluicing slotted hole 203, can hide drain pipe 6 bottom, avoid the protrusion to set up the influence transportation or receive external force easily to damage. By the arrangement of the stainless steel filter screen, the drainage pipe 6 can be prevented from being blocked by sundries such as building fragments falling into the pressure reduction tank 201. Through utilizing the confined manger plate apron 601 of dead weight normality, can prevent effectively that external debris from entering into the wall body through drain pipe 6. Through the embedded installation second sealing strip 4 of elongated slot, can prevent that second sealing strip 4 from misplacing, joint strength is high moreover, avoids steam to pass through, and water-proof effects is good.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the scope of the present invention is defined by the claims.
Claims (7)
1. The waterproof outer wall structure for the building engineering is characterized by comprising an upper wall body (1), a lower wall body (2), a first sealing strip (3) and a second sealing strip (4), wherein a pressure reduction groove (201) which is sunken downwards is formed in the top of the lower wall body (2), the first sealing strip (3) is arranged between the outer side flat top of the pressure reduction groove (201) and the bottom surface of the upper wall body (1), a water retaining platform (202) which is higher than the outer side is arranged on the inner side of the pressure reduction groove (201), and the second sealing strip (4) is arranged between the water retaining platform (202) and the bottom surface of the upper wall body (1); and the heat insulation layers (101) of the upper wall body (1) and the lower wall body (2) are arranged on the inner sides of the second sealing strips (4).
2. The waterproof exterior wall structure of construction engineering according to claim 1, wherein: the bottom surface profile of the pressure reducing groove (201) is triangular or arc-shaped, and the surface of the pressure reducing groove (201) is covered with a waterproof mortar layer and is subjected to smoothing treatment.
3. The waterproof exterior wall structure of building engineering of claim 2, wherein: still include drain pipe (6), drain pipe (6) are pre-buried decompression groove (201) bottom and oblique downward setting, drain pipe (6) lower extreme is derived on wall body (2) outer wall down.
4. The waterproof exterior wall structure of building engineering of claim 3, wherein: the outer wall of the lower wall body (2) is provided with a drainage slotted hole (203) at the lower port of the drainage pipe (6), the drainage slotted hole (203) is formed in the middle of the lower wall body (2), and the depth of the pressure reduction groove (201) is the lowest at the top end of the drainage pipe (6).
5. The waterproof exterior wall structure of building engineering of claim 4, wherein: the pressure reducing tank (201) is provided with a stainless steel filter screen at the top end of the drain pipe (6).
6. The waterproof outer wall structure of building engineering according to any one of claims 3 to 5, characterized in that: the bottom end of the drain pipe (6) is provided with a water retaining cover plate (601), and the water retaining cover plate (601) is hinged to a pin shaft sleeve seat at the top of the drain pipe (6) through a pin shaft at the top; the upper part of the bottom end face of the drain pipe (6) is arranged in a retracted and inclined mode, and the water retaining cover plate (601) blocks the bottom end face under the self weight.
7. The waterproof exterior wall structure of construction engineering according to claim 1, wherein: the second sealing strip (4) is an embedded rubber strip, and an installation long groove is horizontally formed in the positions where the second sealing strip (4) is installed on the upper wall body (1) and the lower wall body (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122252689.5U CN215716264U (en) | 2021-09-17 | 2021-09-17 | Waterproof outer wall structure of building engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122252689.5U CN215716264U (en) | 2021-09-17 | 2021-09-17 | Waterproof outer wall structure of building engineering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215716264U true CN215716264U (en) | 2022-02-01 |
Family
ID=80021553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122252689.5U Active CN215716264U (en) | 2021-09-17 | 2021-09-17 | Waterproof outer wall structure of building engineering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215716264U (en) |
-
2021
- 2021-09-17 CN CN202122252689.5U patent/CN215716264U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103452192B (en) | Waterproof structure of expansion joint mainly used for discharging water | |
| CN209129176U (en) | A kind of assembly concrete building prefabrication exterior wall cross seam node structure | |
| CN111851772B (en) | Assembled light gauge steel composite wall panel piece waterproof construction | |
| CN203821653U (en) | Unitized curtain wall provided with interlayeredisobaric drainage system | |
| CN215716264U (en) | Waterproof outer wall structure of building engineering | |
| CN210797910U (en) | Prefabricated plate prefabricated with waterproof structure | |
| CN113404170A (en) | Waterproof structure at joint of prefabricated outer wall and cast-in-place floor slab and construction method thereof | |
| CN200971695Y (en) | Anti-leakage window | |
| CN217679718U (en) | Waterproof and drainage structure node structure at joint of wallboard and floor slab and roof slab | |
| KR20220131059A (en) | Double drainage system | |
| CN214738791U (en) | Embedded assembled side fascia connected node | |
| CN213271398U (en) | Waterproof treatment structure for wall-penetrating pipeline | |
| CN213268624U (en) | Water-proof and heat-insulating structure for drainage in parapet wall | |
| CN205117072U (en) | Windowsill apron flashing | |
| KR20140002874U (en) | upper member for window frame on outer wall | |
| CN215054075U (en) | Waterproof construction of horizontal seam of prefabricated assembled outer wall of building | |
| CN221298411U (en) | Waterproof roof | |
| CN219033650U (en) | Assembled wall with waterproof function | |
| CN219411315U (en) | Waterproof structure of prefabricated link plate cross seam | |
| CN218060936U (en) | Heat preservation structure of outer facade of fair-faced concrete | |
| CN221030809U (en) | Concrete outer wall antiseep structure | |
| CN220978406U (en) | Basement antiseep structure adopting prefabricated assembly type drain plate | |
| CN215630169U (en) | Waterproof structure of underground garage top plate deformation joint | |
| CN214062014U (en) | Anti-seepage outer wall structure | |
| CN210562702U (en) | Waterproof structure of precast concrete outer wall bottom seam |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240318 Address after: 430000, at the intersection of Zhongbei Road and Dongsha Avenue in Guoguohu Street, Wuchang District, Wuhan City, Hubei Province, China. K1 Block, Phase I, Zone 1, K1-2, Building 24, Room 2-2, Wuhan Central Cultural District Patentee after: Equation Smart Equipment (Wuhan) Construction Engineering Co.,Ltd. Country or region after: China Address before: 056300 No. 587, sanxiaohe village, Wu'an Town, Wu'an city, Handan City, Hebei Province Patentee before: Zhang Jizhou Country or region before: China |