CN205477628U - Biliquid thick liquid device is annotated in step in shield driving - Google Patents
Biliquid thick liquid device is annotated in step in shield driving Download PDFInfo
- Publication number
- CN205477628U CN205477628U CN201520951546.5U CN201520951546U CN205477628U CN 205477628 U CN205477628 U CN 205477628U CN 201520951546 U CN201520951546 U CN 201520951546U CN 205477628 U CN205477628 U CN 205477628U
- Authority
- CN
- China
- Prior art keywords
- additive
- filler
- pump
- grouting
- tubing length
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
- Lining And Supports For Tunnels (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The utility model discloses a biliquid thick liquid device is annotated in step in shield driving, including filler material savings box (1), additive savings box (2), filler slurry suction pipe way (3) and additive slurry suction pipe way (4), grouting pump (5, 6, 15 ), filler pump sending pipeline (7), filler valve (8), additive pump sending pipeline (9), additive valve (10), blender (11) and shield endnote thick liquid pipeline (12), the feed inlet and filler material savings box (1) the fixed connection on filler slurry suction pipe way (3), the utility model discloses have fine general utility functions, be applicable to and tunnel synchronous slip casting to any stratum, the device can add the additive that improves the filler material according to the needs of actually being under construction, improves the quality of filler material, through adjustment filler material and additive ratio, but effective control thick liquid initial setting time, and the effective control earth's surface is subsided, ensures the safety of being under construction, quickening construction progress. Improves the construction quality. And the engineering cost is decreased.
Description
Technical field
This utility model belongs to Shield Construction Method Used device, synchronizes note dual slurry device particularly to a kind of shield driving.
Background technology
Current domestic shield tunnel tunneling construction, in shield tunneling process, the gap behind shield tail abjection section of jurisdiction mainly uses shield tail or injects the method for single slurry to fill gap of the shield tail at section of jurisdiction rear wall.Prior art by inject cement mortar, cement mortar list slurry method with reach fill gap of the shield tail purpose, shield is on rich water sandy pear variety, circulating water stratum, when passing through construction of structures, single slurry runs off due to setting time length, cannot effective control settlement, it is difficult to ensure construction quality, existing synchronous grouting method there is no method and ensures construction safety, economy, efficiently, the device of the dual slurry also formed not used for simultaneous implantation packing material and additive in same prior art.
Utility model content
For the deficiencies in the prior art, the technical problems to be solved in the utility model is to provide a kind of dual slurry formed for simultaneous implantation packing material and additive and ensure that construction safety, economy, efficient shield driving synchronize note dual slurry device.
nullIn order to solve the technical problem that this utility model is proposed，The utility model discloses a kind of shield driving and synchronize note dual slurry device，Including packing material accumulator tank、Additive accumulator tank、Filler midge pipeline and additive midge pipeline，The charging aperture of described filler midge pipeline is fixing with packing material accumulator tank to be connected，The charging aperture of described additive midge pipeline is fixing with additive accumulator tank to be connected，It is characterized in that: also include filler grouting pump、Additive grouting pump、Filler pump tubing length、Filler valve、Additive pump tubing length、Additive valve、Blender and grouting at the tail of the shield machine pipeline，The discharging opening of described filler midge pipeline and the discharging opening of additive midge pipeline are fixing with the charging aperture of filler grouting pump and additive grouting pump respectively to be connected，The discharging opening of described filler grouting pump and additive grouting pump is fixing with the charging aperture of filler pump tubing length and additive pump tubing length respectively to be connected，Described filler grouting pump and additive grouting pump can be by unmixed to packing material and additive filler pump tubing length and additive pump tubing length being pumped to correspondence by packing material accumulator tank and additive accumulator tank，Filler valve and additive valve it is respectively arranged with on described filler pump tubing length and additive pump tubing length，The discharging opening of described filler pump tubing length and additive pump tubing length is fixing with the charging aperture of blender respectively to be connected，Packing material and additive are mixed by described blender，The discharging opening of described blender is fixing with the charging aperture of grouting at the tail of the shield machine pipeline to be connected.
As a kind of improvement of the present utility model, described grouting at the tail of the shield machine pipeline is provided with Pressure gauge and effusion meter.
As a kind of improvement of the present utility model, also including the valve disk for controlling valve folding, described valve disk is connected with filler valve and additive valve respectively.
As a kind of improvement of the present utility model, described valve disk includes hydraulic control system and electric control system.
As a kind of improvement of the present utility model, also including the control system of grouting for controlling whole slip casting flow process, described control system of grouting is connected with grouting pump and blender respectively.
As a kind of improvement of the present utility model, also including the operating platform being controlled slip casting flow process, described operating platform is connected with control system of grouting.
As a kind of improvement of the present utility model, also include the remote control being correspondingly arranged with operating platform.
nullThis utility model also discloses a kind of shield driving and synchronizes note dual slurry device，Including packing material accumulator tank、Additive accumulator tank、Filler midge pipeline and additive midge pipeline，The charging aperture of described filler midge pipeline is fixing with packing material accumulator tank to be connected，The charging aperture of described additive midge pipeline is fixing with additive accumulator tank to be connected，It is characterized in that: also include Double-liquid mud-injection pump、Filler pump tubing length、Filler valve、Additive pump tubing length、Additive valve、Blender and grouting at the tail of the shield machine pipeline，The discharging opening of described filler midge pipeline and the discharging opening of additive midge pipeline are fixing with two charging apertures of Double-liquid mud-injection pump respectively to be connected，Two discharging openings of described Double-liquid mud-injection pump are fixing with the charging aperture of filler pump tubing length and additive pump tubing length respectively to be connected，Described Double-liquid mud-injection pump can be by unmixed to packing material and additive filler pump tubing length and additive pump tubing length being pumped to correspondence by packing material accumulator tank and additive accumulator tank，Filler valve and additive valve it is respectively arranged with on described filler pump tubing length and additive pump tubing length，The discharging opening of described filler pump tubing length and additive pump tubing length is fixing with the charging aperture of blender respectively to be connected，Packing material and additive are mixed by described blender，The discharging opening of described blender is fixing with the charging aperture of grouting at the tail of the shield machine pipeline to be connected.
Generally speaking this utility model has the advantages that
1, the suitability is strong
This utility model Shield Construction Method Used synchronizes note dual slurry device and is applicable to any shield excavation machine tunneling construction；
2, effective control settlement
Using shield driving to synchronize note dual slurry constructing device, this device can effectively adjust Mortar mix proportion, improve serosity quality, can effectively control the slurry consolidation time, fills gap of the shield tail consolidated earth mass the most in time；Serosity does not runs off, and serosity utilization rate is high, and consolidation strength is high；Effectively wrap up section of jurisdiction, prevent subsoil water loss etc..Can effectively control earth's surface, construction of structures sedimentation that Shield Construction Method Used causes, it is ensured that construction safety；
3, construction quality is improved
Using this device to construct, can improve slurry consolidation quality, serosity parcel tunnel duct piece is uniform, effectively controls section of jurisdiction and floats the skew caused, and effectively prevents groundwater infiltration in tunnel, improves molding tunnel quality；
4, economical
Taking this device to construct, injecting serosity will not run off, and saves material and construction cost；It is effectively improved tunnel water proofing effect, reduces molding tunnel mending-leakage expense.
Accompanying drawing explanation
Fig. 1 embodiment 1 schematic diagram；
Fig. 2 embodiment 2 schematic diagram；
Fig. 3 mounting arrangement figure；
The partial enlarged drawing of Fig. 4 Fig. 3；
Wherein: 1 packing material accumulator tank；2 additive accumulator tanks；3 filler midge pipelines；4 additive midge pipelines；5 filler grouting pumps；6 additive grouting pumps；7 filler pump tubing length；8 filler valves；9 additive pump tubing length；10 additive valves；11 blenders；12 grouting at the tail of the shield machine pipelines；13 Pressure gauges；14 effusion meters；15 Double-liquid mud-injection pumps；16 shield machines；17 shield ventral brushes；18 sections of jurisdiction.
Detailed description of the invention
The utility model is described in further detail below in conjunction with the accompanying drawings.
Embodiment 1
nullAs shown in Figure 1，Shield driving synchronizes note dual slurry device，Including packing material accumulator tank 1、Additive accumulator tank 2、Filler midge pipeline 3、Additive midge pipeline 4、Filler grouting pump 5、Additive grouting pump 6、Filler pump tubing length 7、Filler valve 8、Additive pump tubing length 9、Additive valve 10、Blender 11、Grouting at the tail of the shield machine pipeline 12、Pressure gauge 13 and effusion meter 14，The charging aperture of described filler midge pipeline 3 is fixing with packing material accumulator tank 1 to be connected，The charging aperture of described additive midge pipeline 4 is fixing with additive accumulator tank 2 to be connected，The discharging opening of described filler midge pipeline 3 and the discharging opening of additive midge pipeline 4 are fixing with the charging aperture of filler grouting pump 5 and additive grouting pump 6 respectively to be connected，The discharging opening of described filler grouting pump 5 and additive grouting pump 6 is fixing with the charging aperture of filler pump tubing length 7 and additive pump tubing length 9 respectively to be connected，Described filler grouting pump 5 and additive grouting pump 6 can be by unmixed to packing material and additive filler pump tubing length 7 and additive pump tubing length 9 being pumped to correspondence by packing material accumulator tank 1 and additive accumulator tank 2，Filler valve 8 and additive valve 10 it is respectively arranged with on described filler pump tubing length 7 and additive pump tubing length 9，The discharging opening of described filler pump tubing length 7 and additive pump tubing length 9 is fixing with the charging aperture of blender 11 respectively to be connected，Packing material and additive are mixed by described blender 11，The discharging opening of described blender 11 is fixing with the charging aperture of grouting at the tail of the shield machine pipeline 12 to be connected，Pressure gauge 13 and effusion meter 14 it is provided with on described grouting at the tail of the shield machine pipeline 12.
Shield driving synchronizes note dual slurry device and also includes the valve disk for controlling valve folding, for controlling the control system of grouting of whole slip casting flow process, the operating platform being controlled slip casting flow process and for remote-operated remote control, described valve disk is connected with filler valve 8 and additive valve 10 respectively, described valve disk includes hydraulic control system and electric control system, described control system of grouting is connected with grouting pump and blender respectively, described operating platform is connected with control system of grouting, and described remote control is correspondingly arranged with operating platform.
Embodiment 2
As shown in Figure 2, this embodiment is with the difference of embodiment 1, single fluid grouting pump filler grouting pump 5 and additive grouting pump 6 are replaced by as Double-liquid mud-injection pump 15, this Double-liquid mud-injection pump 15 scalable injects flow and pumping pressure and packing material and additive does not mixes in Double-liquid mud-injection pump 15, and Double-liquid mud-injection pump 15 has two discharging openings to fix be connected with filler pump tubing length 7 and additive pump tubing length 9 respectively.
Below workflow of the present utility model is illustrated:
nullAs shown in Figure 3 and Figure 4，First in packing material accumulator tank 1 and additive accumulator tank 2, it is respectively configured packing material and additive is standby，Filler grouting pump 5 and additive grouting pump 6 is started after opening filler valve 8 and additive valve 10 by operating platform or remote control during use，Filler grouting pump 5 by packing material by packing material accumulator tank 1 through filler midge pipeline 3、Filler grouting pump 5 and filler pump tubing length 7 enter blender 11，Additive grouting pump 6 by additive by additive accumulator tank 2 through additive midge pipeline 4、Blender 11 is entered after additive grouting pump 6 and additive pump tubing length 9，In filler grouting pump 5 and additive grouting pump 6 work process, more construction needs to be adjusted injection flow and pumping pressure，Packing material and additive mix at blender 11，Required slip casting position is injected afterwards by grouting at the tail of the shield machine pipeline 12，Wherein the discharging opening of grouting at the tail of the shield machine pipeline 12 is positioned at shield ventral brush 17 region of shield machine 16，Section of jurisdiction 18 is wrapped up by the dual slurry that described grouting at the tail of the shield machine pipeline 12 discharging opening is sprayed，Need during slip casting to control accumulative sedimentation and ground settlement.
Being understood by the reading of above-mentioned detailed description of the invention, those skilled in the art is easily achieved this utility model.Content in above-mentioned detailed description of the invention is only schematically, is not to be given for limiting purpose.Although being described in detail already in connection with specific embodiment and having illustrated, but it will be apparent to those skilled in the art that this utility model can be made various modifications and variations on the premise of without departing from this utility model spirit.For making this utility model be effectively protected, this utility model appending claims will attempt to cover the technical scheme of all various modifications and variations fallen within this utility model spirit.
Claims (8)
- null1. shield driving synchronizes note dual slurry device，Including packing material accumulator tank (1)、Additive accumulator tank (2)、Filler midge pipeline (3) and additive midge pipeline (4)，The charging aperture of described filler midge pipeline (3) is fixing with packing material accumulator tank (1) to be connected，The charging aperture of described additive midge pipeline (4) is fixing with additive accumulator tank (2) to be connected，It is characterized in that: also include filler grouting pump (5)、Additive grouting pump (6)、Filler pump tubing length (7)、Filler valve (8)、Additive pump tubing length (9)、Additive valve (10)、Blender (11) and grouting at the tail of the shield machine pipeline (12)，The discharging opening of described filler midge pipeline (3) and the discharging opening of additive midge pipeline (4) are fixing with the charging aperture of filler grouting pump (5) and additive grouting pump (6) respectively to be connected，The discharging opening of described filler grouting pump (5) and additive grouting pump (6) is fixing with the charging aperture of filler pump tubing length (7) and additive pump tubing length (9) respectively to be connected，Described filler grouting pump (5) and additive grouting pump (6) can be by unmixed to packing material and additive filler pump tubing length (7) and additive pump tubing length (9) being pumped to correspondence by packing material accumulator tank (1) and additive accumulator tank (2)，Filler valve (8) and additive valve (10) it is respectively arranged with on described filler pump tubing length (7) and additive pump tubing length (9)，The discharging opening of described filler pump tubing length (7) and additive pump tubing length (9) is fixing with the charging aperture of blender (11) respectively to be connected，Packing material and additive are mixed by described blender (11)，The discharging opening of described blender (11) is fixing with the charging aperture of grouting at the tail of the shield machine pipeline (12) to be connected.
- Shield driving the most according to claim 1 synchronizes note dual slurry device, it is characterised in that: it is provided with Pressure gauge (13) and effusion meter (14) on described grouting at the tail of the shield machine pipeline (12).
- Shield driving the most according to claim 1 synchronizes note dual slurry device, it is characterised in that: also including the valve disk for controlling valve folding, described valve disk is connected with filler valve (8) and additive valve (10) respectively.
- Shield driving the most according to claim 3 synchronizes note dual slurry device, it is characterised in that: described valve disk includes hydraulic control system and electric control system.
- Shield driving the most according to claim 4 synchronizes note dual slurry device, it is characterised in that: also including the control system of grouting for controlling whole slip casting flow process, described control system of grouting is connected with grouting pump and blender respectively.
- Shield driving the most according to claim 5 synchronizes note dual slurry device, it is characterised in that: also including the operating platform being controlled slip casting flow process, described operating platform is connected with control system of grouting.
- Shield driving the most according to claim 6 synchronizes note dual slurry device, it is characterised in that: also include the remote control being correspondingly arranged with operating platform.
- null8. shield driving synchronizes note dual slurry device，Including packing material accumulator tank (1)、Additive accumulator tank (2)、Filler midge pipeline (3) and additive midge pipeline (4)，The charging aperture of described filler midge pipeline (3) is fixing with packing material accumulator tank (1) to be connected，The charging aperture of described additive midge pipeline (4) is fixing with additive accumulator tank (2) to be connected，It is characterized in that: also include Double-liquid mud-injection pump (15)、Filler pump tubing length (7)、Filler valve (8)、Additive pump tubing length (9)、Additive valve (10)、Blender (11) and grouting at the tail of the shield machine pipeline (12)，The discharging opening of described filler midge pipeline (3) and the discharging opening of additive midge pipeline (4) are fixing with two charging apertures of Double-liquid mud-injection pump (15) respectively to be connected，Two discharging openings of described Double-liquid mud-injection pump (15) are fixing with the charging aperture of filler pump tubing length (7) and additive pump tubing length (9) respectively to be connected，Described Double-liquid mud-injection pump (15) can be by unmixed to packing material and additive filler pump tubing length (7) and additive pump tubing length (9) being pumped to correspondence by packing material accumulator tank (1) and additive accumulator tank (2)，Filler valve (8) and additive valve (10) it is respectively arranged with on described filler pump tubing length (7) and additive pump tubing length (9)，The discharging opening of described filler pump tubing length (7) and additive pump tubing length (9) is fixing with the charging aperture of blender (11) respectively to be connected，Packing material and additive are mixed by described blender (11)，The discharging opening of described blender (11) is fixing with the charging aperture of grouting at the tail of the shield machine pipeline (12) to be connected.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2015107253265 | 2015-10-28 | ||
| CN201510725326 | 2015-10-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205477628U true CN205477628U (en) | 2016-08-17 |
Family
ID=56660780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520951546.5U Active CN205477628U (en) | 2015-10-28 | 2015-11-25 | Biliquid thick liquid device is annotated in step in shield driving |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205477628U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106499399A (en) * | 2016-12-30 | 2017-03-15 | 中铁二局集团有限公司 | A kind of Shield Construction Method Used method of overlapping tunnel in rich water powder land floor |
| CN106761782A (en) * | 2016-12-30 | 2017-05-31 | 中铁二局集团有限公司 | A kind of tunneling construction method for wearing operation tunnel under shield in rich water powder land floor |
| CN108119153A (en) * | 2017-12-31 | 2018-06-05 | 中交第公路工程局有限公司 | Shield grouting transport system with segmentation reducing driving structure |
| CN108412517A (en) * | 2018-02-24 | 2018-08-17 | 北京交通大学 | Synchronous grouting device and method for water rich strata shield lower slope section driving |
| CN111441773A (en) * | 2020-03-26 | 2020-07-24 | 河北大白阳金矿有限公司 | Retention method for mining ore pillar by room-pillar method for slowly-inclined medium-thickness ore body |
| CN111648779A (en) * | 2020-05-09 | 2020-09-11 | 徐州工程学院 | Shield head system capable of effectively reducing surrounding rock disturbance |
| CN112761670A (en) * | 2020-12-31 | 2021-05-07 | 中铁六局集团公司交通工程分公司 | Synchronous grouting equipment capable of controlling upward floating of duct piece and using method thereof |
| CN113202513A (en) * | 2021-06-09 | 2021-08-03 | 中铁三局集团有限公司 | Novel double-liquid grouting mixer for shield |
-
2015
- 2015-11-25 CN CN201520951546.5U patent/CN205477628U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106499399A (en) * | 2016-12-30 | 2017-03-15 | 中铁二局集团有限公司 | A kind of Shield Construction Method Used method of overlapping tunnel in rich water powder land floor |
| CN106761782A (en) * | 2016-12-30 | 2017-05-31 | 中铁二局集团有限公司 | A kind of tunneling construction method for wearing operation tunnel under shield in rich water powder land floor |
| CN108119153A (en) * | 2017-12-31 | 2018-06-05 | 中交第公路工程局有限公司 | Shield grouting transport system with segmentation reducing driving structure |
| CN108412517A (en) * | 2018-02-24 | 2018-08-17 | 北京交通大学 | Synchronous grouting device and method for water rich strata shield lower slope section driving |
| CN111441773A (en) * | 2020-03-26 | 2020-07-24 | 河北大白阳金矿有限公司 | Retention method for mining ore pillar by room-pillar method for slowly-inclined medium-thickness ore body |
| CN111441773B (en) * | 2020-03-26 | 2021-08-06 | 河北大白阳金矿有限公司 | Retention method for mining ore pillar by room-pillar method for slowly-inclined medium-thickness ore body |
| CN111648779A (en) * | 2020-05-09 | 2020-09-11 | 徐州工程学院 | Shield head system capable of effectively reducing surrounding rock disturbance |
| CN111648779B (en) * | 2020-05-09 | 2021-07-27 | 徐州工程学院 | Shield head system capable of effectively reducing surrounding rock disturbance |
| CN112761670A (en) * | 2020-12-31 | 2021-05-07 | 中铁六局集团公司交通工程分公司 | Synchronous grouting equipment capable of controlling upward floating of duct piece and using method thereof |
| CN113202513A (en) * | 2021-06-09 | 2021-08-03 | 中铁三局集团有限公司 | Novel double-liquid grouting mixer for shield |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205477628U (en) | Biliquid thick liquid device is annotated in step in shield driving | |
| CN107120121B (en) | A kind of shield-tunneling construction supplements slip casting anti-settling control method in real time | |
| CN101672186B (en) | Method and device for synchronously grouting shield tunnel pipe sheet | |
| CN103953365A (en) | Tunnel single-liquid and double-liquid alternate grouting reinforcement process and device | |
| CN101333812B (en) | Grouter for back side grouting and its construction method | |
| CN202001023U (en) | Improved shield machine grouting pipeline system | |
| CN101603427B (en) | Shield synchronization slip casting construction technology | |
| CN105804770B (en) | The earth-filling method and its equipment in TBM method tunnel or tunnel construction | |
| CN202140088U (en) | Shield machine foam agent injecting pipeline system capable of injecting bentonite symultaneously | |
| CN104265321A (en) | Ultra-large full-face rectangular pipe jacking tunneling construction method | |
| CN105257303A (en) | Construction method capable of achieving synchronous double-grout grouting during shield tunneling | |
| CN102733821A (en) | Secondary double-liquid slurry re-grouting method capable of effectively controlling surface deformation | |
| CN102051879B (en) | Process for constructing soil anchor | |
| CN103603670A (en) | Construction method of ultra-deep-earthed shield crossing complex formations | |
| CN107503770A (en) | A kind of duct pieces of shield tunnel secondary grouting method | |
| CN107268600A (en) | Grouting strengthening method, pipe jacking construction method and application | |
| CN210714722U (en) | Synchronous double-liquid-slurry grouting system | |
| CN106437723A (en) | Grouting method for controlling stratum settlement when shield tunneling machine passes through risk source | |
| CN110630293A (en) | Double-liquid and method for grouting wall | |
| CN203488191U (en) | Grouting system for tunnel water plugging construction | |
| CN115030733A (en) | Grouting method for preventing stratum soil loss or ground surface settlement | |
| CN107447747B (en) | A kind of construction method of coercion underground continuous wall | |
| CN105221158A (en) | Shield structure export & import note dual slurry construction method | |
| CN109571761B (en) | Novel stirring barrel for cleavage grouting in civil engineering and construction method | |
| CN104589515A (en) | Seriflux preparation system and preparation method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170912 Address after: 511300, No. 112, No. 23, No. 1-3, Lai twelve Road, 96 Yongning Road, Guangdong, Guangzhou, Zengcheng (Zengcheng economic and Technological Development Zone, core area) Patentee after: Guangdong Guang Chang Construction Machinery & Equipment Co., Ltd. Address before: 510000 layer 1-3, No. 23, No. 96, No. twelve new road, Yongning Street, Guangzhou, Guangdong, Zengcheng Patentee before: Guangzhou Jian Heng mechanical and electric equipment installation Co., Ltd |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200525 Address after: 529728 5th floor, block F3, 068 Jianshe Road, Heshan Gonghe Town, Jiangmen City, Guangdong Province (for office use only) Patentee after: Heshan guangtun tunnel intelligent technology equipment Co., Ltd Address before: 511300 23, 112, Lixin twelve Road, Yongning Street, Zengcheng, Guangzhou, Guangdong, 112, 1-3 (Zengcheng economic and Technological Development Zone core area) Patentee before: Guangdong Guang Suijianheng mechanical & electronic equipment corporation, Ltds |