CN111311203A - BIM-based engineering progress control system - Google Patents

BIM-based engineering progress control system Download PDF

Info

Publication number
CN111311203A
CN111311203A CN202010250372.5A CN202010250372A CN111311203A CN 111311203 A CN111311203 A CN 111311203A CN 202010250372 A CN202010250372 A CN 202010250372A CN 111311203 A CN111311203 A CN 111311203A
Authority
CN
China
Prior art keywords
module
construction
bim
progress
project
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.)
Granted
Application number
CN202010250372.5A
Other languages
Chinese (zh)
Other versions
CN111311203B (en
Inventor
张喆
宋祥
陈强
安冬
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chengdu Yishenrui Technology Co ltd
Inner Mongolia Yifeng Project Management Co.,Ltd.
Original Assignee
Shaanxi Polytechnic Institute
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shaanxi Polytechnic Institute filed Critical Shaanxi Polytechnic Institute
Priority to CN202010250372.5A priority Critical patent/CN111311203B/en
Publication of CN111311203A publication Critical patent/CN111311203A/en
Application granted granted Critical
Publication of CN111311203B publication Critical patent/CN111311203B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00Administration; Management
    • G06Q10/10Office automation; Time management
    • G06Q10/103Workflow collaboration or project management
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00Administration; Management
    • G06Q10/06Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
    • G06Q10/067Enterprise or organisation modelling
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
    • G06Q50/08Construction
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S10/00Systems supporting electrical power generation, transmission or distribution
    • Y04S10/50Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications

Landscapes

  • Business, Economics & Management (AREA)
  • Strategic Management (AREA)
  • Engineering & Computer Science (AREA)
  • Human Resources & Organizations (AREA)
  • Entrepreneurship & Innovation (AREA)
  • Economics (AREA)
  • Marketing (AREA)
  • Theoretical Computer Science (AREA)
  • Tourism & Hospitality (AREA)
  • Physics & Mathematics (AREA)
  • General Business, Economics & Management (AREA)
  • General Physics & Mathematics (AREA)
  • Operations Research (AREA)
  • Quality & Reliability (AREA)
  • General Health & Medical Sciences (AREA)
  • Primary Health Care (AREA)
  • Data Mining & Analysis (AREA)
  • Health & Medical Sciences (AREA)
  • Development Economics (AREA)
  • Educational Administration (AREA)
  • Game Theory and Decision Science (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)

Abstract

The invention discloses a BIM-based engineering progress control system, which comprises: the system comprises a BIM model building module, a construction process generating module, a database generating module, a project plan management module, an incidence relation building module, a construction progress simulation module and a construction plan and actual progress comparison module. According to the construction progress monitoring method and system, the corresponding building visual model is configured for each construction flow based on script recording and script playback, and the BIM corresponding to each construction flow carries corresponding parameter data, so that the construction progress can be visually embodied, meanwhile, the system has tracking and deviation analysis functions, errors in the construction process can be timely found, and therefore the management and control efficiency of the construction progress is greatly improved.

Description

BIM-based engineering progress control system
Technical Field
The invention relates to the field of project progress management, in particular to a project progress management and control system based on BIM.
Background
The Building Information Model (BIM) is an information integration and management system based on a digital three-dimensional building model, is the most advanced mainstream technology in the current building industry, and can discover and avoid risks in advance by utilizing the digital information model in the whole life cycle of engineering design, construction and operation, thereby realizing lean management, improving efficiency and saving time and cost.
At present, the following problems generally exist in the existing construction progress management method: 1. due to the lack of a building visualization model, the building progress prediction cannot be intuitively reflected, the deviation and the error cannot be found in time, more uncertain factors exist, the management and control efficiency is low, and the management of the progress of the super-large-scale building is not facilitated; 2. the traditional progress management method has the defects of information lag, low informatization degree and the like, generally only aims at a certain specific project, and cannot be generally applied.
Disclosure of Invention
In order to solve the problems, the invention provides a BIM-based engineering progress control system, each construction process is provided with a corresponding building visual model, so that the construction progress can be visually embodied, and meanwhile, the system has tracking and deviation analysis functions, so that errors in the construction process can be timely found, and the control efficiency of the construction progress is greatly improved.
In order to achieve the purpose, the invention adopts the technical scheme that:
a project progress management and control system based on BIM comprises:
the BIM model building module is used for building a BIM building model based on revit;
the construction process generation module is used for recording script data constructed by the BIM building model through the script recording module and generating a building construction process database;
the database generation module is used for realizing listing of BIM building model data to form a database;
the project plan management module is used for drawing up a project construction progress plan according to the database data;
the incidence relation construction module is used for constructing the incidence relation between the data in the database and the building construction flow steps;
the construction progress simulation module is used for driving the script playback module to play back the corresponding script data according to the received construction project progress parameters and outputting the corresponding BIM building model;
and the construction plan and actual progress comparison module is used for generating a comparison curve chart corresponding to each parameter by comparing the BIM corresponding to each time period of the construction plan with the actually performed BIM.
Further, still include:
and the construction progress early warning module is used for starting when a comparison curve graph output by the construction plan and actual progress comparison module falls into a preset threshold, and realizing early warning in a short message automatic editing and sending mode.
Furthermore, a virtual sensor used for directly acquiring corresponding database data is inserted into the BIM, the construction progress simulation module drives the script playback module to playback corresponding script data and output a corresponding BIM, and the virtual sensor automatically displays corresponding database data.
Furthermore, the construction plan and actual progress comparison module automatically excavates database data displayed by the virtual sensor through the data routing module, and automatically draws comparison graphs of all parameters through the graph drawing module.
Further, still include:
the deviation analysis module is used for carrying out deviation analysis when the construction plan deviates from the actual progress, and finding out the specific reason of the deviation and the related responsible personnel information;
and the deviation measure making module is used for making corresponding deviation correcting measures aiming at the deviation after finding out the deviation reason of the engineering construction progress and drawing up a deviation correcting report.
Further, still include:
the project construction progress summarizing and examining module is used for tracking and monitoring the project execution condition in the project execution process, summarizing and analyzing the project construction data according to a set template, and generating construction progress reports every day, every week, every month, every quarter and every year.
Further, the script recording module is deployed in the system in the form of a static jar package.
The invention has the following beneficial effects:
configuring a corresponding building visualization model for each construction process based on script recording and script playback, and simultaneously carrying corresponding parameter data on a BIM (building information modeling) model corresponding to each construction process, so that the building progress can be visually embodied;
the system has tracking and deviation analysis functions, and can find errors in the construction process in time, so that the management and control efficiency of the building progress is greatly improved.
Drawings
Fig. 1 is a system block diagram of a project progress control system based on BIM according to an embodiment of the present invention.
Detailed Description
In order that the objects and advantages of the invention will be more clearly understood, the invention is further described in detail below with reference to examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1, an embodiment of the present invention provides a BIM-based engineering progress management and control system, including:
the BIM model building module is used for building a BIM building model based on revit;
the construction process generation module is used for recording script data constructed by the BIM building model through the script recording module and generating a building construction process database;
the database generation module is used for realizing listing of BIM building model data to form a database;
the project plan management module is used for drawing up a project construction progress plan according to the database data;
the incidence relation construction module is used for constructing the incidence relation between the data in the database and the building construction flow steps;
the construction progress simulation module is used for driving the script playback module to play back the corresponding script data according to the received construction project progress parameters and outputting the corresponding BIM building model;
the construction plan and actual progress comparison module is used for generating a comparison curve chart corresponding to each parameter by comparing the BIM corresponding to each time period of the construction plan with the actually performed BIM;
the construction progress early warning module is used for starting when a comparison curve graph output by the construction plan and actual progress comparison module falls into a preset threshold, and realizing early warning in a short message automatic editing and sending mode;
the deviation analysis module is used for carrying out deviation analysis when the construction plan deviates from the actual progress, and finding out the specific reason of the deviation and the related responsible personnel information;
and the deviation measure making module is used for making corresponding deviation correcting measures aiming at the deviation after finding out the deviation reason of the engineering construction progress and drawing up a deviation correcting report.
The project construction progress summarizing and examining module is used for tracking and monitoring the project execution condition in the project execution process, summarizing and analyzing the project construction data according to a set template, and generating construction progress reports every day, every week, every month, every quarter and every year;
and the central processing unit is used for coordinating the work of the modules.
In this embodiment, a virtual sensor for directly acquiring corresponding database data is inserted into the BIM building model, the construction progress simulation module drives the script playback module to playback corresponding script data and output a corresponding BIM building model, the virtual sensor automatically displays corresponding database data, the construction plan and actual progress comparison module automatically mines database data displayed by the virtual sensor through the data routing module, and a graph drawing module automatically draws comparison graphs of various parameters.
In the embodiment, the construction progress parameters are filled in by the preset template, so that the complexity of subsequent data processing can be simplified while the construction progress parameter data can be planned.
In this embodiment, the script recording module is deployed in the system in the form of a static jar package.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention.

Claims (7)

1. The utility model provides an engineering progress management and control system based on BIM which characterized in that: the method comprises the following steps:
the BIM model building module is used for building a BIM building model based on revit;
the construction process generation module is used for recording script data constructed by the BIM building model through the script recording module and generating a building construction process database;
the database generation module is used for realizing listing of BIM building model data to form a database;
the project plan management module is used for drawing up a project construction progress plan according to the database data;
the incidence relation construction module is used for constructing the incidence relation between the data in the database and the building construction flow steps;
the construction progress simulation module is used for driving the script playback module to play back the corresponding script data according to the received construction project progress parameters and outputting the corresponding BIM building model;
and the construction plan and actual progress comparison module is used for generating a comparison curve chart corresponding to each parameter by comparing the BIM corresponding to each time period of the construction plan with the actually performed BIM.
2. The BIM-based project progress management and control system of claim 1, wherein: further comprising:
and the construction progress early warning module is used for starting when a comparison curve graph output by the construction plan and actual progress comparison module falls into a preset threshold, and realizing early warning in a short message automatic editing and sending mode.
3. The BIM-based project progress management and control system of claim 1, wherein: virtual sensors used for directly acquiring corresponding database data are inserted into the BIM, the construction progress simulation module drives the script playback module to play back corresponding script data and output a corresponding BIM, and the virtual sensors automatically display corresponding database data.
4. The BIM-based project progress management and control system of claim 1, wherein: the construction plan and actual progress comparison module automatically excavates database data displayed by the virtual sensor through the data routing module, and automatically draws comparison curve graphs of all parameters through the curve graph drawing module.
5. The BIM-based project progress management and control system of claim 1, wherein: further comprising:
the deviation analysis module is used for carrying out deviation analysis when the construction plan deviates from the actual progress, and finding out the specific reason of the deviation and the related responsible personnel information;
and the deviation measure making module is used for making corresponding deviation correcting measures aiming at the deviation after finding out the deviation reason of the engineering construction progress and drawing up a deviation correcting report.
6. The BIM-based project progress management and control system of claim 1, wherein: further comprising:
the project construction progress summarizing and examining module is used for tracking and monitoring the project execution condition in the project execution process, summarizing and analyzing the project construction data according to a set template, and generating construction progress reports every day, every week, every month, every quarter and every year.
7. The BIM-based project progress management and control system of claim 1, wherein: the script recording module is deployed in the system in the form of a static jar package.
CN202010250372.5A 2020-04-01 2020-04-01 Engineering progress management and control system based on BIM Active CN111311203B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010250372.5A CN111311203B (en) 2020-04-01 2020-04-01 Engineering progress management and control system based on BIM

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010250372.5A CN111311203B (en) 2020-04-01 2020-04-01 Engineering progress management and control system based on BIM

Publications (2)

Publication Number Publication Date
CN111311203A true CN111311203A (en) 2020-06-19
CN111311203B CN111311203B (en) 2023-08-22

Family

ID=71147448

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010250372.5A Active CN111311203B (en) 2020-04-01 2020-04-01 Engineering progress management and control system based on BIM

Country Status (1)

Country Link
CN (1) CN111311203B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114219362A (en) * 2021-12-31 2022-03-22 中国电建集团成都勘测设计研究院有限公司 Comprehensive evaluation method based on project management system
CN117557065A (en) * 2024-01-05 2024-02-13 广州市嘉品电子科技有限公司 Building engineering construction progress supervisory systems based on BIM technique

Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1976425A (en) * 2005-11-29 2007-06-06 索尼株式会社 Information processing apparatus, information processing method, and program
US7315826B1 (en) * 1999-05-27 2008-01-01 Accenture, Llp Comparatively analyzing vendors of components required for a web-based architecture
CA2857886A1 (en) * 2013-08-08 2015-02-08 Honeywell International Inc. System and method for visualization of history of events using bim model
CN104680320A (en) * 2014-12-03 2015-06-03 上海同筑信息科技有限公司 BIM-based project management system and method
CN106447116A (en) * 2016-10-10 2017-02-22 陕西铁路工程职业技术学院 Application of BIM technology in metro track laying construction
CN106593534A (en) * 2016-12-18 2017-04-26 河北科技大学 Intelligent tunnel construction security monitoring system
CN108038301A (en) * 2017-11-29 2018-05-15 山东工商学院 A kind of civil engineering work monitors system
CN108596423A (en) * 2018-03-02 2018-09-28 重庆机电装备技术研究院有限公司 A kind of trackways engineering construction progress msg management method based on BIM
CN109002609A (en) * 2018-07-17 2018-12-14 国网江苏省电力工程咨询有限公司 GIL piping lane engineering project three-dimensional digital analogue system and its implementation
CN109284319A (en) * 2018-10-25 2019-01-29 九江学院 A kind of auditing system based on big data visualization technique
CN109377066A (en) * 2018-10-31 2019-02-22 广西路桥工程集团有限公司 A kind of live Schedule monitoring system and method based on threedimensional model
CN109918837A (en) * 2019-03-26 2019-06-21 张峰 Method based on BIM+GIS and XML script construction simulation technique engineering method
CN110084526A (en) * 2019-05-05 2019-08-02 广西路桥工程集团有限公司 A kind of visualization project management monitoring system based on BIM+WBS
CN110570164A (en) * 2019-08-13 2019-12-13 沈阳风驰软件股份有限公司 railway transportation construction management system
CN110597691A (en) * 2019-09-24 2019-12-20 河北环境工程学院 Computer monitoring system

Patent Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7315826B1 (en) * 1999-05-27 2008-01-01 Accenture, Llp Comparatively analyzing vendors of components required for a web-based architecture
CN1976425A (en) * 2005-11-29 2007-06-06 索尼株式会社 Information processing apparatus, information processing method, and program
CA2857886A1 (en) * 2013-08-08 2015-02-08 Honeywell International Inc. System and method for visualization of history of events using bim model
CN104680320A (en) * 2014-12-03 2015-06-03 上海同筑信息科技有限公司 BIM-based project management system and method
CN106447116A (en) * 2016-10-10 2017-02-22 陕西铁路工程职业技术学院 Application of BIM technology in metro track laying construction
CN106593534A (en) * 2016-12-18 2017-04-26 河北科技大学 Intelligent tunnel construction security monitoring system
CN108038301A (en) * 2017-11-29 2018-05-15 山东工商学院 A kind of civil engineering work monitors system
CN108596423A (en) * 2018-03-02 2018-09-28 重庆机电装备技术研究院有限公司 A kind of trackways engineering construction progress msg management method based on BIM
CN109002609A (en) * 2018-07-17 2018-12-14 国网江苏省电力工程咨询有限公司 GIL piping lane engineering project three-dimensional digital analogue system and its implementation
CN109284319A (en) * 2018-10-25 2019-01-29 九江学院 A kind of auditing system based on big data visualization technique
CN109377066A (en) * 2018-10-31 2019-02-22 广西路桥工程集团有限公司 A kind of live Schedule monitoring system and method based on threedimensional model
CN109918837A (en) * 2019-03-26 2019-06-21 张峰 Method based on BIM+GIS and XML script construction simulation technique engineering method
CN110084526A (en) * 2019-05-05 2019-08-02 广西路桥工程集团有限公司 A kind of visualization project management monitoring system based on BIM+WBS
CN110570164A (en) * 2019-08-13 2019-12-13 沈阳风驰软件股份有限公司 railway transportation construction management system
CN110597691A (en) * 2019-09-24 2019-12-20 河北环境工程学院 Computer monitoring system

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
史少杨;: "BIM技术在暖通空调设计中的应用", 中国住宅设施, no. 02 *
张喆: "BIM在建筑工程管理中的应用研究", 《建材与装饰》 *
朱爱玲;: "工程项目施工阶段成本控制模式改进探究", 建材与装饰, no. 47 *
杨少波;方忠强;刘世忠;: "BIM技术在下承式尼尔森体系钢管砼系杆拱桥施工管理中的应用初探", 中国住宅设施, no. 08 *
汪彬: "面向城市精细化规划管理的三维地理信息系统构建及应用", 《长安大学》 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114219362A (en) * 2021-12-31 2022-03-22 中国电建集团成都勘测设计研究院有限公司 Comprehensive evaluation method based on project management system
CN114219362B (en) * 2021-12-31 2023-04-07 中国电建集团成都勘测设计研究院有限公司 Comprehensive evaluation method based on project management system
CN117557065A (en) * 2024-01-05 2024-02-13 广州市嘉品电子科技有限公司 Building engineering construction progress supervisory systems based on BIM technique
CN117557065B (en) * 2024-01-05 2024-04-23 广州市嘉品电子科技有限公司 Building engineering construction progress supervisory systems based on BIM technique

Also Published As

Publication number Publication date
CN111311203B (en) 2023-08-22

Similar Documents

Publication Publication Date Title
CN109711659B (en) Yield improvement management system and method for industrial production
CN107423303B (en) Method and system for data synchronization
CN111311203A (en) BIM-based engineering progress control system
CN111369226A (en) BIM-based project progress supervision system
CN104360922A (en) Method for automatically monitoring BMC working state based on ipmitool
CN103473720A (en) Shield tunnel construction management system based on BIM
CN101907696B (en) Electric energy meter production detecting system and method
CN104765322A (en) Production line monitoring system
CN112506759B (en) Automatic test method and device for servo system control software and storage medium
WO2019061499A1 (en) Method and apparatus for generating fault diagnosis information base of numerical control machine tool
WO2019061481A1 (en) Fault diagnosis method and apparatus for numerical control machine tool
CN105404966A (en) Construction method of construction process quality color rendering module based on BIM
CN104965999A (en) Analysis and integration method and device for sequencing of medium-short gene segment
US11869100B2 (en) Data consolidation analysis system and data consolidation analysis method
CN111241660A (en) Civil engineering experiment detection system and method based on cloud computing technology
CN117474565A (en) Carbon accounting digital twin energy management system
CN113112601A (en) Building construction pre-assembly method based on BIM technology
WO2020172851A1 (en) Method and apparatus for updating data of industrial model
CN111178031A (en) Method for automatically generating anemometer tower data report
CN113033166B (en) Electronic report generation method and system based on PI system
CN113887862A (en) Energy metering service data analysis method and system
Smarter et al. Beverston Engineering: Building a brighter future
CN110187997A (en) A kind of disk method for monitoring abnormality, device, equipment and medium
CN202067309U (en) Automatic GMP (good manufacturing practice) verification system used for pharmaceuticals industry
CN104573051B (en) A kind of history memory method of creation data

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
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20231122

Address after: 5th Floor, Inner Mongolia Computer Application Research Institute, No. 38 Xinhua Street, Xincheng District, Hohhot City, Inner Mongolia Autonomous Region, 010000

Patentee after: Inner Mongolia Yifeng Project Management Co.,Ltd.

Address before: No.13, 3rd floor, building 1, No.1, Tidu street, Qingyang District, Chengdu, Sichuan 610000

Patentee before: Chengdu yishenrui Technology Co.,Ltd.

Effective date of registration: 20231122

Address after: No.13, 3rd floor, building 1, No.1, Tidu street, Qingyang District, Chengdu, Sichuan 610000

Patentee after: Chengdu yishenrui Technology Co.,Ltd.

Address before: 712000 Xianyang province Shaanxi City Wenhui Road No. 12

Patentee before: SHAANXI POLYTECHNIC INSTITUTE

TR01 Transfer of patent right