CN106593413A - Cluster well type single well metering device and method for calculating well yield - Google Patents
Cluster well type single well metering device and method for calculating well yield Download PDFInfo
- Publication number
- CN106593413A CN106593413A CN201710103313.3A CN201710103313A CN106593413A CN 106593413 A CN106593413 A CN 106593413A CN 201710103313 A CN201710103313 A CN 201710103313A CN 106593413 A CN106593413 A CN 106593413A
- Authority
- CN
- China
- Prior art keywords
- metering
- well
- oil
- sled module
- knockout drum
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 13
- 239000007788 liquid Substances 0.000 claims abstract description 26
- 239000003129 oil well Substances 0.000 claims description 31
- 238000000926 separation method Methods 0.000 claims description 18
- 238000006073 displacement reaction Methods 0.000 claims description 15
- 235000019476 oil-water mixture Nutrition 0.000 claims description 15
- 238000007599 discharging Methods 0.000 claims description 14
- 235000019198 oils Nutrition 0.000 claims description 13
- 239000007789 gas Substances 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000005303 weighing Methods 0.000 claims description 4
- 210000003437 trachea Anatomy 0.000 claims 1
- 239000003921 oil Substances 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000005259 measurement Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- MGCQZNBCJBRZDT-UHFFFAOYSA-N midodrine hydrochloride Chemical compound [H+].[Cl-].COC1=CC=C(OC)C(C(O)CNC(=O)CN)=C1 MGCQZNBCJBRZDT-UHFFFAOYSA-N 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000010729 system oil Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/34—Arrangements for separating materials produced by the well
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geophysics (AREA)
- Loading And Unloading Of Fuel Tanks Or Ships (AREA)
Abstract
The invention discloses a cluster well type single well metering device and a method for calculating well yield. The cluster well type single well metering device comprises separating prying modules and metering prying modules, wherein at least two separating prying modules are arranged; each of the separating prying modules corresponds to one well; each of the separating prying modules comprises a separating tank; a liquid inlet pipe and a gas outlet pipe are arranged on the top of the separating tank; the liquid inlet pipe and the gas outlet pipe are connected through a three-way valve; weighting sensors and a first liquid draining pipe are arranged at the bottom of the separating tank; the separating tank is communicated with one metering prying module through the first liquid draining pipe; at least three weighting sensors are arranged and uniformly distributed at the bottom of the separating tank; the separating prying modules and the metering prying modules are all connected with a control system. The cluster well type single well metering device can accurately and timely detect the weight change of the liquid in the tank in the manner of additionally arranging the weighting sensors; the metering prying modules are used for metering the well yield in turn; the combination of the weighting sensors and the metering prying modules can guarantee the overall metering for the data related to the yield.
Description
Technical field
The present invention relates to oil well production technical field of automation equipment, and in particular to a kind of Cong Jing formulas single well metering device and
The method for calculating oil well output.
Background technology
At present well site of oil field is generally not equipped with well yield measuring equipment, only to the human metering of whole well site yield
System, and cannot ensure that the system obtains practical execution, more have no way of learning whether metric results are punctual accurately.This present situation
Caused measurement data lacks and various oil well optimal controls all cannot be implemented, therefore the various wastes for being formed cause Oil Generation
Produce cost to remain high, have a strong impact on the profit and the market competitiveness of Petroleum Production enterprise.
In fact there is a patent for being much devoted to eliminating this unfavorable present situation, such as my company《One-well metering
Device》With the promise company of Shanghai one《Single well metering device》Deng, but these patents all do not obtain large-scale use, study carefully it former
Cause, usually because the measuring instrument of measuring equipment, particularly core is relatively costly, and the universal very low per unit area yield in China oil field makes
Obtaining cannot within a short period of time withdraw supporting cost.
In order to reduce one-well metering cost, CN105927210A patents of invention provide a solution, its support
Many mouthfuls of oil wells are connected into simultaneously, but this scheme can only be when every mouthful of access system oil well connects measurement loop, can only be short to its
Time yield is measured, and other each well productions then flow out upon mixing naturally, and one-well metering is not carried out at all；And with
The increase for accessing well number, this problem becomes all the more serious, be as a result measuring equipment on every mouth oil well is shared equally into
The function of one-well metering is lost while this reduction, therefore still serious restriction is produced to the enforcement of oil well optimal control.
The content of the invention
For the deficiencies in the prior art, it is an object of the invention to provide a kind of Cong Jing formulas single well metering device,
Its mode for setting up LOAD CELLS measures accurately, in time pot liquid quality change situation, and controls discharge opeing action accordingly；
Simultaneously the liquid measure of all oil well productions can be measured and prize the effusion meter metering of module, and both combine and ensure that to yield dependency number
According to comprehensive metering.
The technical scheme is that what is be achieved in that：A kind of Cong Jing formulas single well metering device, it is characterised in that including point
From sled module, metering sled module and control system, module at least 2 is prized in the separation, and the sled module that separates is separate,
And each separates sled module correspondence a bite oil well, the separation sled module includes knockout drum, and the upper end of the knockout drum is provided with
Feed tube and escape pipe, the feed tube and escape pipe are connected by three-way valve, and the bottom of the knockout drum is provided with biography of weighing
Sensor and the first discharging tube, the knockout drum is connected by the first discharging tube with metering sled module, and the LOAD CELLS is at least
Have 3, each LOAD CELLS is arranged in knockout drum bottom even, it is described separate sled module and metering prize module with the control
System connects.
Further, the sled module that separates also includes positive displacement pump, and the positive displacement pump is located on the first discharging tube, and with institute
State control system connection.
Further, the metering sled module includes effusion meter and check valve, and detached oil-water mixture passes sequentially through flow
Meter, check valve enter the second discharging tube.
Further, the metering sled module also includes relief valve.
The present invention, has further related to a kind of side of the calculating oil well output using Cong Jing formulas single well metering device described above
Method, it is characterised in that comprise the steps：
S1：The oil that gathers out in oil well, gas and water three-phase flow enter knockout drum by feed tube, and gas is flow back to by escape pipe
Oil pipeline, oil-water mixture is accumulated in knockout drum；
S2：LOAD CELLS is installed under knockout drum, when liquid oil-water mixture quality reaches setting value in knockout drum
Into queuing routine, queuing routine selects the positive displacement pump in the separation sled module of queue forefront to be actuated for discharge opeing；
S3：When sled module discharge opeing is separated for wherein one, other separate sled module and continue to store liquid, when discharge opeing separates sled module
Knockout drum in liquid quality when being discharged to default stop value, its positive displacement pump stops discharge opeing, claims in procedure Selection queuing routine
Tuple starts discharge opeing according to maximum separation sled module；
S4：The oil-water mixture that the knockout drum is discharged enters effusion meter by common conduit, and effusion meter is to oil mixing with water
Liquid carries out the metering of yield and density, and control system is kept separately so as to obtain list to the data of each separation sled module
Well data.
The invention has the beneficial effects as follows：
(1) present invention realizes that modularity is arranged, and can access more oil wells through simple expansion in structure, facilitates root
Flexibly allocate according to field condition.
(2) present invention measures accurately, in time pot liquid quality change situation with the mode for setting up LOAD CELLS, and
Discharge opeing action is controlled accordingly；Simultaneously the liquid measure of all oil well productions can be measured and prize the effusion meter metering of module, and both combine
Ensure that the comprehensive metering to yield related data.
(3) method of calculating oil well output of the invention is on the premise of cost is limited as far as possible, to make the product of every mouthful of oil well
Amount obtains comprehensive continuous data, and to implement oil well optimal control foundation is provided.
Description of the drawings
Fig. 1 the structural representation of present invention；
In figure：1- well heads, 2- separates sled module, 21- knockout drums, 22- positive displacement pumps, the discharging tubes of 23- first, 3- metering sled moulds
Block, 31- effusion meters, 32- check valves, 33- relief valve, the discharging tubes of 4- second.
Specific embodiment
In order that those skilled in the art more fully understand technical scheme, it is right with reference to the accompanying drawing of the present invention
Technical scheme carries out clear, complete description, and based on the embodiment in the application, those of ordinary skill in the art exist
Other the similar embodiments obtained on the premise of not making creative work, should all belong to the scope of the application protection.
Additionally, the direction word mentioned in following examples, for example " on " D score " left side " " right side " etc. be only refer to the attached drawing direction, because
This, the direction word for using is for illustrative and not limiting the invention.
A kind of Cong Jing formulas single well metering device, including separate sled module 2, metering sled module 3 and control system, the separation
Sled module at least 2, the sled module 2 that separates is separate, and each separates and prizes the corresponding a bite oil well 1 of module 2, described point
Include knockout drum 21 from sled module 2, the upper end of the knockout drum 21 is provided with feed tube and escape pipe, the feed tube and outlet
Gutron crosses three-way valve connection, and the bottom of the knockout drum is provided with LOAD CELLS and the first discharging tube 23, the knockout drum 21
Connected with metering sled module 3 by the first discharging tube 23, the LOAD CELLS at least 3, each LOAD CELLS is being separated
The bottom even of tank 21 is arranged, and the sled module 2 that separates also includes positive displacement pump 22, and the positive displacement pump 22 is located at the first discharging tube 23
On, and be connected with the control system；The metering sled module 3 includes effusion meter 31 and check valve 32, detached oil mixing with water
Liquid passes sequentially through effusion meter 31, check valve 32 into the second discharging tube 4, and the metering sled module 3 also includes relief valve 33.This
The bright mode for setting up LOAD CELLS measures accurately, in time pot liquid quality change situation, and it is dynamic to control discharge opeing accordingly
Make；Simultaneously the liquid measure of all oil well productions can be measured and prize the effusion meter metering of module 3, and both combine and ensure that to yield phase
Close comprehensive metering of data.
The present invention, has further related to a kind of side of the calculating oil well output using Cong Jing formulas single well metering device described above
Method, it is characterised in that comprise the steps：
S1：, by feed tube into knockout drum 21, gas is by outlet bank of tubes for oil, the gas and water three-phase flow gathered out in oil well
Oil-piping is fed back, oil-water mixture is accumulated in knockout drum 21；
S2：LOAD CELLS is installed under knockout drum 21, when liquid oil-water mixture quality reaches setting in knockout drum 21
Queuing routine is entered during value, queuing routine selects the positive displacement pump 22 in the separation sled module 2 of queue forefront to be actuated for discharge opeing；
S3：When sled 2 discharge opeing of module is separated for wherein one, other separate sled module 2 and continue to store liquid, when discharge opeing separates sled mould
When liquid quality in the knockout drum of block 2 is discharged to default stop value, its positive displacement pump 22 stops discharge opeing, procedure Selection queuing routine
The maximum separation sled module 2 of middle weighing data starts discharge opeing；
S4：The oil-water mixture that the knockout drum 21 is discharged enters effusion meter 31,31 pairs of oil of effusion meter by common conduit
Water mixed liquid carries out the metering of yield and density, control system data of each separation sled module 2 are kept separately so as to
Obtain individual well data.The present invention realizes that modularity is arranged, and can access more oil wells through simple expansion in structure, convenient
Flexibly allocated according to field condition.
Embodiment one：
As shown in figure 1, apparatus of the present invention can simultaneously measure 2～10 mouthfuls of oil wells 1, it is situated between with the metering citing of 4 mouthfuls of oil wells 1 below
Continue.Every mouthful of oil well 1 connects one and separates sled module 2, separates sled module 2 and is connected to metering sled module 3 by common conduit.Oil well
By feed tube into knockout drum 21, gas is flow back to original oil, the gas and water three-phase flow gathered out in 1 by escape pipe on tank body
Oil pipeline, oil-water mixture is accumulated in tank, and under tank body LOAD CELLS is provided with, when liquid quality reaches setting value in tank
When enter queuing routine, queuing routine select queue forefront separation sled module 2 on positive displacement pump 22 be actuated for discharge opeing,
When an equipment discharge opeing, other separate sled module 2 and continue to store liquid, and liquid quality is discharged to default in discharge opeing separates the tank of sled
During stop value, positive displacement pump 22 stops discharge opeing, and the maximum separation sled module 2 of weighing data starts discharge opeing, tank in procedure Selection queuing
The oil-water mixture of discharge carries out the metering of yield and density by common conduit into effusion meter 31 to oil-water mixture, control
System is kept separately so as to obtain individual well data to the data of each separation sled module 2；The calculating oil well output of the present invention
Method be that the yield for being capable of every mouthful of oil well 1 on the premise of cost is limited as far as possible obtains comprehensive continuous data, be to implement oil well
1 optimal control provides foundation.
Moreover, it will be appreciated that although this specification is been described by according to embodiment, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of description is only that for clarity those skilled in the art should
Using description as an entirety, the technical scheme in each embodiment can also Jing it is appropriately combined, form those skilled in the art
Understandable other embodiment.
Claims (5)
1. a kind of Cong Jing formulas single well metering device, it is characterised in that including separating sled module, metering sled module and control system,
Described to separate sled module at least 2, the sled module that separates is separate, and each separates sled module correspondence a bite oil well,
The sled module that separates includes knockout drum, and the upper end of the knockout drum is provided with feed tube and escape pipe, the feed tube and goes out
Trachea is connected by three-way valve, and the bottom of the knockout drum is provided with LOAD CELLS and the first discharging tube, and the knockout drum leads to
Cross the first discharging tube to connect with metering sled module, the LOAD CELLS at least 3, each LOAD CELLS is in knockout drum bottom
Uniform arrangement, the separation sled module and metering sled module are connected with the control system.
2. a kind of Cong Jing formulas single well metering device as claimed in claim 1, it is characterised in that the separation sled module also includes
There is positive displacement pump, the positive displacement pump is located on the first discharging tube, and is connected with the control system.
3. a kind of Cong Jing formulas single well metering device as claimed in claim 1, it is characterised in that the metering sled module includes stream
Gauge and check valve, detached oil-water mixture passes sequentially through effusion meter, check valve into the second discharging tube.
4. a kind of Cong Jing formulas single well metering device as claimed in claim 1, it is characterised in that the metering sled module also includes
Relief valve.
5. a kind of method that usage right requires the calculating oil well output of the arbitrary Cong Jing formulas single well metering devices of 1-4, it is special
Levy and be, comprise the steps：
S1：The oil that gathers out in oil well, gas and water three-phase flow enter knockout drum by feed tube, and gas flows back to oil transportation by escape pipe
Pipeline, oil-water mixture is accumulated in knockout drum；
S2：LOAD CELLS is installed under knockout drum, is entered when liquid oil-water mixture quality reaches setting value in knockout drum
Queuing routine, queuing routine selects the positive displacement pump in the separation sled module of queue forefront to be actuated for discharge opeing；
S3：When sled module discharge opeing is separated for wherein one, other separation are prized modules and continue to store liquid, and when discharge opeing is separated dividing for module is prized
When liquid quality in tank is discharged to default stop value, its positive displacement pump stops discharge opeing, number of weighing in procedure Selection queuing routine
Start discharge opeing according to maximum separation sled module；
S4：The oil-water mixture that the knockout drum is discharged enters effusion meter by common conduit, and effusion meter enters to oil-water mixture
The metering of row yield and density, control system is kept separately so as to obtain individual well number to the data of each separation sled module
According to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710103313.3A CN106593413A (en) | 2017-02-24 | 2017-02-24 | Cluster well type single well metering device and method for calculating well yield |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710103313.3A CN106593413A (en) | 2017-02-24 | 2017-02-24 | Cluster well type single well metering device and method for calculating well yield |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106593413A true CN106593413A (en) | 2017-04-26 |
Family
ID=58587927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710103313.3A Pending CN106593413A (en) | 2017-02-24 | 2017-02-24 | Cluster well type single well metering device and method for calculating well yield |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106593413A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109519155A (en) * | 2018-10-31 | 2019-03-26 | 广州码云互联网科技有限公司 | A kind of petroleum collection device of petroleum drilling and mining |
| CN115388332A (en) * | 2022-08-29 | 2022-11-25 | 重庆交通大学 | Coal bed gas well mouth sled dress modularization composite set |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203214045U (en) * | 2013-04-08 | 2013-09-25 | 浙江三泰仪表有限公司 | Skid mounted type device for metering yield of oil well |
| CN204267020U (en) * | 2014-12-03 | 2015-04-15 | 西安石油大学 | Low-permeability oil deposit individual well production fluid skid-mounted type metering device |
| CN105840169A (en) * | 2016-05-30 | 2016-08-10 | 中国石油集团川庆钻探工程有限公司工程技术研究院 | Pried type oil-gas-separation single-well metering device and metering method thereof |
| CN105927210A (en) * | 2016-06-27 | 2016-09-07 | 新疆石油工程设计有限公司 | Integral automatic well selection metering device and multi-process automatic oil well output metering method |
| CN206530327U (en) * | 2017-02-24 | 2017-09-29 | 北京华远众科科技有限公司 | A kind of Cong Jing formulas single well metering device |
-
2017
- 2017-02-24 CN CN201710103313.3A patent/CN106593413A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203214045U (en) * | 2013-04-08 | 2013-09-25 | 浙江三泰仪表有限公司 | Skid mounted type device for metering yield of oil well |
| CN204267020U (en) * | 2014-12-03 | 2015-04-15 | 西安石油大学 | Low-permeability oil deposit individual well production fluid skid-mounted type metering device |
| CN105840169A (en) * | 2016-05-30 | 2016-08-10 | 中国石油集团川庆钻探工程有限公司工程技术研究院 | Pried type oil-gas-separation single-well metering device and metering method thereof |
| CN105927210A (en) * | 2016-06-27 | 2016-09-07 | 新疆石油工程设计有限公司 | Integral automatic well selection metering device and multi-process automatic oil well output metering method |
| CN206530327U (en) * | 2017-02-24 | 2017-09-29 | 北京华远众科科技有限公司 | A kind of Cong Jing formulas single well metering device |
Non-Patent Citations (5)
| Title |
|---|
| 曲晓俊;马彩君;: "撬装式三相分离计量装置设计", no. 02 * |
| 李艾萤;李秋莲;张岳峰;李秋香;: "井口称重式计量***在油田的应用", no. 09 * |
| 田柏生;赵丽宏;李新疆;李青;刘武;吴剑鸣;: "称重式计量装置在塔里木油田的应用", no. 02, pages 1 - 3 * |
| 符长梅;曾冠鑫;方传卓;: "基于GLCC高效分离技术的分离计量撬", no. 12 * |
| 高宝元;: "撬装式油气分离单井自动计量装置研究及应用", no. 06 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109519155A (en) * | 2018-10-31 | 2019-03-26 | 广州码云互联网科技有限公司 | A kind of petroleum collection device of petroleum drilling and mining |
| CN115388332A (en) * | 2022-08-29 | 2022-11-25 | 重庆交通大学 | Coal bed gas well mouth sled dress modularization composite set |
| CN115388332B (en) * | 2022-08-29 | 2024-03-19 | 重庆交通大学 | Modular combined device for skid-mounted coal bed gas wellhead |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201705330U (en) | Mobile Oil Well Multiphase Flow Metering Device | |
| CN203231832U (en) | Temperature measuring system of large chilled water storage device | |
| CN106593413A (en) | Cluster well type single well metering device and method for calculating well yield | |
| CN106769198A (en) | A kind of vertical suspended load sampling apparatus in river | |
| CN104764494A (en) | Automatic dynamic runoff sediment monitor | |
| CN102012255B (en) | Automatic control system for oil well tipping bucket metering | |
| CN201583478U (en) | Device for measuring water permeability and runoff performance of pervious brick | |
| CN206530327U (en) | A kind of Cong Jing formulas single well metering device | |
| CN103105194B (en) | Pulsed extraction column parameter blowing measurement and interface control method | |
| CN201650264U (en) | Oil well liquid-producing measuring device | |
| CN205941079U (en) | Invariable useless thick liquid concentration detection device of volume | |
| CN106211897B (en) | A kind of embanked field section is poured water fertile integral method | |
| CN104763408A (en) | High-precision oil three-phase automatic metering device and metering method thereof | |
| CN108762321B (en) | Intelligent stepless slurry mixing implementation method | |
| CN207004948U (en) | System is cleared up in a kind of gas turbine inlet air filter core blowback | |
| CN204831423U (en) | Double -phase precise measurement device of profit | |
| CN109030739B (en) | Online testing device and method for pH value and density of slurry of desulfurization absorption tower | |
| CN105241777B (en) | Device and method for monitoring soil erosion | |
| CN201555648U (en) | Liquid measuring machine | |
| CN204575142U (en) | Dynamic runoff and sediment automonitor | |
| CN211487535U (en) | Based on resin monomer processing is with ration proportioning device | |
| CN110595931B (en) | Method and device for automatically monitoring suspended load sediment by displacement method | |
| CN206114024U (en) | Novel three -phase measurement device | |
| CN204941479U (en) | A kind of cluster well station produces skid-mounted unit | |
| CN108225805A (en) | A kind of liquid manure all-in-one machine performance detecting system and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210906 Address after: 451162 2nd floor, building 1, smart terminal mobile phone industrial park, intersection of Huaxia Avenue and Donghai Road, Hangkong port area, Zhengzhou City, Henan Province Applicant after: Zhengzhou Coal Machinery Intelligent Working Face Technology Co.,Ltd. Address before: 100000 Beijing Chaoyang District Wangjing North Road No.9 Building 5-storey C505 Applicant before: BEIJING HUAYUAN ZHONGKE TECHNOLOGY Co.,Ltd. |