CN213897809U - Steel bar frame convenient for concrete pouring for water conservancy project - Google Patents
Steel bar frame convenient for concrete pouring for water conservancy project Download PDFInfo
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- CN213897809U CN213897809U CN202022815111.1U CN202022815111U CN213897809U CN 213897809 U CN213897809 U CN 213897809U CN 202022815111 U CN202022815111 U CN 202022815111U CN 213897809 U CN213897809 U CN 213897809U
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 64
- 239000010959 steel Substances 0.000 title claims abstract description 64
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title description 2
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 41
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims abstract description 33
- 230000002787 reinforcement Effects 0.000 claims description 26
- 238000005266 casting Methods 0.000 claims 5
- 238000010276 construction Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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Abstract
The application relates to a hydraulic engineering reinforcing steel bar frame convenient for concrete pouring, which relates to the field of engineering construction and comprises a first reinforcing steel bar mesh and a second reinforcing steel bar mesh, wherein an adjusting assembly is arranged between the first reinforcing steel bar mesh and the second reinforcing steel bar mesh, and a plurality of vertical reinforcing steel bars extending into the first reinforcing steel bar mesh are arranged on the second reinforcing steel bar mesh; the first reinforcing mesh consists of a plurality of first transverse reinforcing steel bars and first longitudinal reinforcing steel bars, and the second reinforcing mesh consists of a plurality of second transverse reinforcing steel bars and second longitudinal reinforcing steel bars; the adjusting part comprises a first ring which is rotatably sleeved on the first transverse reinforcing steel bar and a second ring which is rotatably sleeved on the second transverse reinforcing steel bar, wherein a first connecting rod is arranged on the circumferential surface of the first ring, a second connecting rod is arranged on the circumferential surface of the second ring, and the first connecting rod and the second connecting rod are connected in a hinged mode through hinged pieces. This application has the effect that reduces steel framework cost of transportation.
Description
Technical Field
The application relates to the field of engineering construction, in particular to a steel bar frame convenient for concrete pouring for hydraulic engineering.
Background
Currently, a concrete steel bar frame mesh is generally manufactured by placing a pair of parallel steel bar meshes and then erecting a support frame between the steel bar meshes.
In the related art, after the concrete reinforcement frame net is manufactured in a processing factory, the concrete reinforcement frame net is transported to a construction site, then the threaded reinforcements are erected on the supporting frame, and the erected threaded reinforcements are fastened and fixed on the supporting frame by iron wires respectively.
With respect to the related art in the above, the inventors consider that there are: the steel bar framework after the production in the factory occupies a large space in the transportation process, so that the transportation cost is high.
SUMMERY OF THE UTILITY MODEL
For reducing steel framework's cost of transportation, this application provides a steel framework for hydraulic engineering convenient to concreting.
The application provides a pair of steel bar frame for hydraulic engineering convenient to concreting adopts following technical scheme:
a hydraulic engineering steel bar frame convenient for concrete pouring comprises a first steel bar mesh and a second steel bar mesh, wherein an adjusting assembly is arranged between the first steel bar mesh and the second steel bar mesh, and a plurality of vertical steel bars extending into the first steel bar mesh are mounted on the second steel bar mesh; the first reinforcing mesh consists of a plurality of first transverse reinforcing steel bars and first longitudinal reinforcing steel bars, and the second reinforcing mesh consists of a plurality of second transverse reinforcing steel bars and second longitudinal reinforcing steel bars; the adjusting part comprises a first ring which is rotatably sleeved on the first transverse reinforcing steel bar and a second ring which is rotatably sleeved on the second transverse reinforcing steel bar, wherein a first connecting rod is arranged on the circumferential surface of the first ring, a second connecting rod is arranged on the circumferential surface of the second ring, and the first connecting rod and the second connecting rod are connected in a hinged mode through hinged pieces.
Through adopting above-mentioned technical scheme, when needs transported first reinforcing bar net and second reinforcing bar net, remove first reinforcing bar net to second reinforcing bar net one side, the relative first horizontal reinforcing bar of first ring takes place to rotate this moment, the relative second horizontal reinforcing bar of second ring takes place to rotate, the relative articulated elements of head rod and second connecting rod take place to buckle, contained angle between head rod and the second connecting rod reduces, thereby shared space volume is less when making the steel framework transport, thereby transportation cost has been reduced.
Preferably, the articulated elements include the third pole that sets up between first connecting rod and second connecting rod, be connected through ejector pin articulated between third pole and the first connecting rod, be connected through the sill bar is articulated between third pole and the second connecting rod.
Through adopting above-mentioned technical scheme, the articulated elements is the articulated third pole of connecting of head rod and second connecting rod, and when first reinforcing bar net and second reinforcing bar net were folded and were accomodate, head rod and second connecting rod can rotate into horizontal form, and the third pole is vertical setting this moment to make accomodating effect of first reinforcing bar net and second reinforcing bar net better.
Preferably, the third rod is provided with a locking assembly for locking the first connecting rod and the second connecting rod.
Through adopting above-mentioned technical scheme, the setting of locking Assembly for head rod and second connecting rod position are comparatively stable, reduce the condition that head rod and second connecting rod take place to buckle, make the position of first reinforcing bar net and second reinforcing bar net comparatively stable.
Preferably, the locking subassembly including install the mount pad on the third pole lateral wall the mount pad passes through the connecting piece and is connected with the third pole rotation, wear to be equipped with the locating lever of vertical setting in the mount pad, the top of locating lever extends to one side of head rod, the bottom of locating lever extends to one side of second connecting rod, be provided with the joint spare of head rod and second connecting rod locking on the locating lever.
Through adopting above-mentioned technical scheme, when needs are folded first reinforcing bar net and second reinforcing bar net, rotate the mount pad for the inside locating lever of mount pad rotates into the level form by vertical form, and the head rod can rotate the second connecting rod relatively this moment, thereby makes first reinforcing bar net and second reinforcing bar net accomodate.
Preferably, the connecting piece is including installing on the lateral wall of mount pad and the round bar that the level was worn to establish in the inside of third pole, the extending direction of round bar is perpendicular with the extending direction of ejector pin, wear to be equipped with first bolt on the lateral wall of mount pad, the annular has been seted up on first bolt global, the tail end of first bolt is worn to establish inside the annular.
Through adopting above-mentioned technical scheme, when rotating the mount pad, the mount pad drives the round bar and rotates along the third pole, and the round bar is when rotating, and the annular on the round bar rotates along the tail end of first bolt, and the mount pad can only rotate along the third pole, reduces the condition that the mount pad breaks away from the third pole.
Preferably, the clamping piece comprises a placing seat arranged at the top of the positioning rod and an arc-shaped ring hinged to the side wall of the placing seat, and the first connecting rod is located between the arc-shaped ring and the placing seat.
Through adopting above-mentioned technical scheme, when needs lock locating lever and head rod and second connecting rod, the arc ring locks the head rod this moment, and the position between the relative third pole of head rod this moment is comparatively stable to make the position between locating lever and the head rod comparatively stable.
Preferably, place two mounting panels of fixedly connected with on the lateral wall of seat orientation head rod, two install the third hinge pole between the mounting panel, the arc ring rotates the cover and establishes on the third hinge pole, the cover is equipped with the torsional spring on the third hinge pole, torsional spring fixed connection is between mounting panel and arc ring.
Through adopting above-mentioned technical scheme, when needs move aside the locating lever from one side of head rod, rotate the arc ring along the third hinge pole, the arc ring drives the torsional spring and rotates, and the arc ring is moved aside from the head rod to make the arc ring break away from with the head rod, the locating lever alright rotate.
Preferably, the bottom of locating lever also is provided with joint spare, installs the opening orientation of the arc ring at the ejector pin bottom and is located the opening orientation of ejector pin top arc ring opposite.
Through adopting above-mentioned technical scheme, the top and the bottom of locating lever all set up the joint spare, have further improved the stability between locating lever and head rod and the second connecting rod, because the ejector pin top is opposite with the moving direction of low side when rotating, so with the opening orientation of bottom arc ring opposite with the opening orientation of top arc ring.
In summary, the present application includes at least one of the following beneficial technical effects:
the adjusting assembly is arranged, so that the distance between the first reinforcing mesh and the second reinforcing mesh can be adjusted conveniently, and the first reinforcing mesh and the second reinforcing mesh occupy smaller space and lower transportation cost when the first reinforcing mesh and the second reinforcing mesh are transported;
this application is through setting up locking Assembly, and the convenience is locked the position of head rod and second connecting rod to make the position between locating lever and the head rod comparatively stable.
This application is through setting up joint spare for comparatively stable when the relative third pole of mount pad rotates reduces the appearance that the mount pad breaks away from the condition from the third pole.
Drawings
Fig. 1 is a schematic structural diagram of a steel bar frame for hydraulic engineering, which facilitates concrete pouring in an embodiment of the present application.
Fig. 2 is a schematic structural diagram of a steel bar frame for hydraulic engineering convenient for concrete pouring in an embodiment of the present application.
Fig. 3 is a schematic structural diagram for illustrating an adjusting assembly according to an embodiment of the present application.
Fig. 4 is an enlarged schematic view of a portion a in fig. 3.
Fig. 5 is an enlarged schematic view of a portion B in fig. 3.
Description of reference numerals: 1. a first reinforcing mesh; 11. a first transverse reinforcement bar; 12. a first longitudinal reinforcement; 2. a second reinforcing mesh; 21. a second transverse reinforcement bar; 22. a second longitudinal reinforcement; 3. vertical reinforcing steel bars; 4. an adjustment assembly; 41. a first ring; 42. a second ring; 43. a first connecting rod; 431. a placement port; 44. a second connecting rod; 45. an articulation member; 451. a third lever; 452. a top rod; 453. a bottom bar; 5. a locking assembly; 51. a mounting seat; 52. positioning a rod; 53. a clamping piece; 531. a placing seat; 532. mounting a plate; 533. a third hinge rod; 534. an arc-shaped ring; 535. a torsion spring; 6. a connecting member; 61. a round bar; 611. a ring groove; 62. a first bolt.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses steel bar frame for hydraulic engineering convenient to concreting. Referring to fig. 1, the hydraulic engineering steel bar framework for facilitating concrete pouring includes a first steel bar mesh 1 and a second steel bar mesh 2 positioned at the bottom of the first steel bar mesh 1, and a plurality of adjusting units 4 are disposed between the first steel bar mesh 1 and the second steel bar mesh 2.
Referring to fig. 1 and 2, the first mesh reinforcement 1 includes a first transverse reinforcement 11 and a first longitudinal reinforcement 12, and the first transverse reinforcement 11 extends horizontally and is provided at equal intervals; the first longitudinal steel bars 12 extend horizontally and are arranged in a plurality of numbers, the first longitudinal steel bars 12 are positioned at the bottom of the first transverse steel bars 11, and the first longitudinal steel bars 12 are arranged at equal intervals along the length direction of the first transverse steel bars 11; the first longitudinal steel bar 12 and the first transverse steel bar 11 are connected by steel wires.
Referring to fig. 1 and 2, the second mesh reinforcement 2 includes a second transverse reinforcement 21 and a second longitudinal reinforcement 22, and the second transverse reinforcement 21 is disposed at the bottom of the first transverse reinforcement 11 and is provided in plurality at equal intervals for horizontal extension; the second longitudinal steel bars 22 are horizontally placed at the bottom of the second transverse steel bars 21, and the second longitudinal steel bars 22 are arranged at equal intervals along the length direction of the second transverse steel bars 21; the second longitudinal reinforcing bars 22 and the second transverse reinforcing bars 21 are also connected by steel wires.
Referring to fig. 1 and 2, the second transverse reinforcing steel bar 21 is provided with a plurality of vertical reinforcing steel bars 3 along the length direction thereof, the vertical reinforcing steel bars 3 are located on one side of the length direction of the second transverse reinforcing steel bar 21 and connected to the second transverse reinforcing steel bar 21 through steel wires, and the top ends of the vertical reinforcing steel bars 3 extend to one side of the first transverse reinforcing steel bar 11.
Referring to fig. 3, the adjusting assembly 4 is disposed between the first and second transverse reinforcing bars 11 and 21, the adjusting assembly 4 including a first ring 41, a second ring 42, a first connecting rod 43, a second connecting rod 44; the first ring 41 is rotatably sleeved on the first transverse steel bar 11; the second ring 42 is rotatably sleeved on the second transverse steel bar 21; the first connecting rod 43 is fixedly connected to the circumferential surface of the first ring 41 and is vertically arranged; the second connecting rod 44 is fixedly connected to the circumferential surface of the second ring 42 and is vertically arranged, the second connecting rod 44 is located at the bottom of the first ring 41, and the first connecting rod 43 and the second connecting rod 44 are hinged through a hinge 45.
Referring to fig. 2 and 3, the hinge 45 includes a third rod 451, a top rod 452, and a bottom rod 453; the third rod 451 is arranged between the first connecting rod 43 and the second connecting rod 44, the bottom of the first connecting rod 43 and the top of the second connecting rod 44 are both provided with placing openings 431, and the third rod 451 is arranged inside the two placing openings 431 and vertically extends; the top rod 452 horizontally penetrates through the third rod 451 and the first connecting rod 43; the bottom bar 453 is horizontally inserted through the third bar 451 and the second connecting bar 44. When the first mesh reinforcement 1 and the second mesh reinforcement 2 need to be folded and stored, the first mesh reinforcement 1 is moved to one side of the second mesh reinforcement 2, at this time, the first ring 41 rotates along the first transverse bar 11, the second ring 42 rotates along the second transverse bar 21, at this time, the first connecting rod 43 rotates along the top rod 452, and the second connecting rod 44 rotates along the bottom rod 453.
Referring to fig. 3 and 4, a locking assembly 5 for locking the first connecting rod 43 and the second connecting rod 44 is disposed on a side wall of the third rod 451, and the locking assembly 5 includes a mounting seat 51 and a positioning rod 52; the mounting seat 51 is rotatably mounted on the side wall of the third rod 451 through a connecting piece 6, and the mounting seat 51 is positioned on the side wall of the third rod 451 where the push rod 452 is not arranged; the positioning rod 52 vertically penetrates through the mounting seat 51 and is parallel to the first connecting rod 43, the top of the positioning rod 52 extends to one side of the first connecting rod 43, and the bottom of the positioning rod 52 extends to one side of the second connecting rod 44.
Referring to fig. 3 and 4, the positioning rod 52 is provided with a clamping member 53 for positioning the first connecting rod 43 and the second connecting rod 44, and the clamping member 53 includes a placing seat 531, a mounting plate 532, a third hinge rod 533, an arc-shaped ring 534, and a torsion spring 535. The placing seat 531 is fixedly connected to the top of the positioning rod 52, and has a gap with the circumferential surface of the first connecting rod 43; two mounting plates 532 are arranged and fixedly connected to the side wall of the placing seat 531 close to the first connecting rod 43, and the two mounting plates 532 are arranged at intervals in the vertical direction; the third hinge rod 533 is fixedly connected between the two mounting plates 532 and is vertically arranged; the arc-shaped ring 534 is sleeved on the third hinge rod 533, and the first connection rod 43 is placed between the arc-shaped ring 534 and the placing seat 531; two torsion springs 535 are arranged and are sleeved on the third hinge rod 533, wherein one torsion spring 535 is fixedly connected between the arc-shaped ring 534 and the mounting seat 51 at the top; another torsion spring 535 is fixedly connected between the arcuate ring 534 and the bottom mount 51.
Referring to fig. 2 and 3, the opening direction of the arc-shaped ring 534 at the top is opposite to the opening direction of the arc-shaped ring 534 at the bottom, when the positioning rod 52 is rotated, the positioning rod 52 drives the placing seat 531 and the arc-shaped ring 534 to be separated from the first connecting rod 43, so that the first connecting rod 43 and the second connecting rod 44 can rotate relative to the third rod 451, and the first mesh reinforcement 1 and the second mesh reinforcement 2 can move in opposite directions, thereby completing the storage of the first mesh reinforcement 1 and the second mesh reinforcement 2.
Referring to fig. 5, the connecting member 6 includes a round bar 61, a first bolt 62; the round rod 61 is fixedly connected to the side wall of the mounting seat 51 facing the third rod 451, and the round rod 61 is arranged inside the third rod 451 in a penetrating manner; the circumferential surface of the round rod 61 is provided with a ring groove 611 coaxial with the round rod 61; the first bolt 62 is horizontally screwed on the third rod 451, and the extending direction of the first bolt 62 is the same as the extending direction of the top rod 452, and the tail end of the first bolt 62 extends into the annular groove 611.
The implementation principle of the steel bar frame for the hydraulic engineering convenient for pouring concrete is as follows: when the steel bar frame is transported to a construction site and needs to be opened, the first steel bar mesh 1 is moved to the side away from the second steel bar mesh 2, at this time, the first ring 41 rotates along the first transverse steel bar 11, the second ring 42 rotates along the second transverse steel bar 21, and the first connecting rod 43 and the second connecting rod 44 rotate along the third rod 451; then, the mounting seat 51 is rotated, the mounting seat 51 drives the positioning rod 52 to rotate horizontally to be vertical, the clamping piece 53 at the top of the positioning rod 52 is clamped on the first connecting rod 43, and the clamping piece 53 at the bottom is clamped on the second connecting rod 44; and finally, the vertical steel bars 3 and the first steel bar mesh 1 are fastened through steel wires.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a steel reinforcement frame for hydraulic engineering convenient to concreting, includes first reinforcing bar net (1) and second reinforcing bar net (2), its characterized in that: an adjusting assembly (4) is arranged between the first reinforcing mesh (1) and the second reinforcing mesh (2), and a plurality of vertical reinforcing steel bars (3) extending into the first reinforcing mesh (1) are mounted on the second reinforcing mesh (2); the first reinforcing mesh (1) consists of a plurality of first transverse reinforcing steel bars (11) and first longitudinal reinforcing steel bars (12), and the second reinforcing mesh (2) consists of a plurality of second transverse reinforcing steel bars (21) and second longitudinal reinforcing steel bars (22); adjusting part (4) establish first ring (41) on first horizontal reinforcing bar (11) including rotating the cover, rotate the second ring (42) of establishing on second horizontal reinforcing bar (21) of cover, be provided with head rod (43) on the global of first ring (41), be provided with second connecting rod (44) on the global of second ring (42), connect through articulated elements (45) are articulated between head rod (43) and second connecting rod (44).
2. The steel bar frame convenient for casting concrete for hydraulic engineering of claim 1, wherein: the hinge piece (45) comprises a third rod (451) arranged between the first connecting rod (43) and the second connecting rod (44), the third rod (451) is hinged with the first connecting rod (43) through a top rod (452), and the third rod (451) is hinged with the second connecting rod (44) through a bottom rod (453).
3. The steel bar frame convenient for casting concrete for hydraulic engineering of claim 2, wherein: the third rod (451) is provided with a locking assembly (5) for locking the first connecting rod (43) and the second connecting rod (44).
4. The steel bar frame convenient for casting concrete for hydraulic engineering of claim 3, wherein: locking Assembly (5) including install mount pad (51) on third pole (451) lateral wall mount pad (51) are rotated with third pole (451) through connecting piece (6) and are connected, wear to be equipped with locating lever (52) of vertical setting in mount pad (51), the top of locating lever (52) extends to one side of head rod (43), the bottom of locating lever (52) extends to one side of second connecting rod (44), be provided with joint spare (53) of head rod (43) and second connecting rod (44) locking on locating lever (52).
5. The steel bar frame convenient for casting concrete for hydraulic engineering of claim 4, wherein: connecting piece (6) are including installing on the lateral wall of mount pad (51) and level wear to establish round bar (61) inside third pole (451), the extending direction of round bar (61) is perpendicular with the extending direction of ejector pin (452), wear to be equipped with first bolt (62) on the lateral wall of mount pad (51), annular (611) have been seted up on the global of first bolt (62), the tail end of first bolt (62) is worn to establish inside annular (611).
6. The steel bar frame convenient for casting concrete for hydraulic engineering of claim 4, wherein: the clamping piece (53) comprises a placing seat (531) arranged at the top of the positioning rod (52) and an arc-shaped ring (534) hinged to the side wall of the placing seat (531), and the first connecting rod (43) is located between the arc-shaped ring (534) and the placing seat (531).
7. The hydraulic engineering steel bar frame convenient for pouring concrete according to claim 6, wherein the steel bar frame comprises: place two mounting panel (532) of fixedly connected with on seat (531) the lateral wall towards head rod (43), two install third hinge pole (533) between mounting panel (532), arc ring (534) rotate the cover and establish on third hinge pole (533), the cover is equipped with torsional spring (535) on third hinge pole (533), torsional spring (535) fixed connection is between mounting panel (532) and arc ring (534).
8. The hydraulic engineering steel bar frame convenient for pouring concrete according to claim 7, wherein the steel bar frame comprises: the bottom of the positioning rod (52) is also provided with a clamping piece (53), and the opening direction of an arc-shaped ring (534) arranged at the bottom of the ejector rod (452) is opposite to the opening direction of the arc-shaped ring (534) positioned at the top of the ejector rod (452).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022815111.1U CN213897809U (en) | 2020-11-30 | 2020-11-30 | Steel bar frame convenient for concrete pouring for water conservancy project |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022815111.1U CN213897809U (en) | 2020-11-30 | 2020-11-30 | Steel bar frame convenient for concrete pouring for water conservancy project |
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| Publication Number | Publication Date |
|---|---|
| CN213897809U true CN213897809U (en) | 2021-08-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022815111.1U Active CN213897809U (en) | 2020-11-30 | 2020-11-30 | Steel bar frame convenient for concrete pouring for water conservancy project |
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| CN (1) | CN213897809U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113718948A (en) * | 2021-08-27 | 2021-11-30 | 浙大城市学院 | Prefabricated concrete structure folding type beam column connecting node and construction method |
| CN115928716A (en) * | 2023-01-03 | 2023-04-07 | 广州市市政工程试验检测有限公司 | Telescopic reinforcement cage structure, construction equipment and construction method |
-
2020
- 2020-11-30 CN CN202022815111.1U patent/CN213897809U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113718948A (en) * | 2021-08-27 | 2021-11-30 | 浙大城市学院 | Prefabricated concrete structure folding type beam column connecting node and construction method |
| CN113718948B (en) * | 2021-08-27 | 2022-06-17 | 浙大城市学院 | Prefabricated concrete structure folding type beam column connecting node and construction method |
| CN115928716A (en) * | 2023-01-03 | 2023-04-07 | 广州市市政工程试验检测有限公司 | Telescopic reinforcement cage structure, construction equipment and construction method |
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Address after: 230000 9 / F, building A02, Chuangzhi world, intersection of Fuyang North Road and Beicheng Avenue, Luyang Industrial Park, Hefei City, Anhui Province Patentee after: Hanjing Construction Group Co.,Ltd. Country or region after: China Address before: 230000 9 / F, building A02, Chuangzhi world, intersection of Fuyang North Road and Beicheng Avenue, Luyang Industrial Park, Hefei City, Anhui Province Patentee before: Anhui Hanjing Construction Development Co.,Ltd. Country or region before: China |
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