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Digital Smart Fabrication · Steel Structure Service Provider

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Longqing Southeast(Hainan)Green Building Co., Ltd. is a modern enterprise  integrating prefabricated building integrated design, production, assembly construction, digital manufacturing and information management. The company headquarter is located in Haikou, China, and production base is located in Jinpai Port Industrial Park, Lingao County, China, covering an area of 120000㎡, with a total investment of 72 million dollars(525 million yuan) and an annual capacity of 80,000-100,000 tons.

We have a number of qualifications, including the professional first-class contracting of steel structure engineering, more than 300 independent intellectual property rights of green building complete technology system and national patent technologies, and won the "National Science and Technology Progress Award first Prize" in 2021.

Longqing Southeast upholds the green, eco-friendly, digital intelligent prefabricated building technology, and strives to promote green building and green development, constantly in line with international standards, and improves the technology and quality of green building, and provide customers with customized solutions.

Southeast Grid Business Map

5 major regions, 33 cities

According to the major strategic plan for China's economic development,
reasonably delineate business boundaries

South China Region > Guangdong, Guangxi, Hainan, Hunan, Hong Kong, Macau

southwest Region > Sichuan, Chongqing, Guizhou, Yunnan, Tibet

Northern Region > Beijing, Tianjin, Hebei, Liaoning, Heilongjiang, Jilin, Henan

Northwest Region > Gansu, Qinghai, Shaanxi, Shanxi, Xinjiang, Inner Mongolia, Ningxia

East China Region > Zhejiang, Shanghai, Fujian, Jiangsu, Anhui, Shandong, Hubei, Jiangxi

Marketing network

Longqing Southeast(Hainan)Green Building Co., Ltd. is a modern enterprise  integrating prefabricated building integrated design, production, assembly construction, digital manufacturing and information management. The company headquarter is located in Haikou, China, and production base is located in Jinpai Port Industrial Park, Lingao County, China, covering an area of 120000㎡, with a total investment of 72 million dollars(525 million yuan) and an annual capacity of 80,000-100,000 tons.

We have a number of qualifications, including the professional first-class contracting of steel structure engineering, more than 300 independent intellectual property rights of green building complete technology system and national patent technologies, and won the "National Science and Technology Progress Award first Prize" in 2021.

Longqing Southeast upholds the green, eco-friendly, digital intelligent prefabricated building technology, and strives to promote green building and green development, constantly in line with international standards, and improves the technology and quality of green building, and provide customers with customized solutions.

Southeast Grid Business Map

5 major regions, 33 cities

According to the major strategic plan for China's economic development,
reasonably delineate business boundaries

South China Region > Guangdong, Guangxi, Hainan, Hunan, Hong Kong, Macau

southwest Region > Sichuan, Chongqing, Guizhou, Yunnan, Tibet

Northern Region > Beijing, Tianjin, Hebei, Liaoning, Heilongjiang, Jilin, Henan

Northwest Region > Gansu, Qinghai, Shaanxi, Shanxi, Xinjiang, Inner Mongolia, Ningxia

East China Region > Zhejiang, Shanghai, Fujian, Jiangsu, Anhui, Shandong, Hubei, Jiangxi

enterprise culture

enterprise culture

  • OUR MISSION

    Promote prefabricated construction industry development through better solutions

  • Development vision

    Leading the upward force of the city's future

  • Core values

    integrity, transcendence

  • Enterprise Spirit

    Dare to be the first and be at the forefront

  • Enterprise positioning

    Digital intelligent assembly, beautiful city service provider

  • Development orientation

    Green technology building, Digital and intelligent prefabricated steel structure

  • Research and development

    Research and development

    • 2003

      The first national postdoctoral research workstation in the industry

    • 2006

      Grade A Steel Structure Design Institute

    • 2008

      The industry's first nationally recognized enterprise technology center

    • 2011

      Zhejiang Provincial Academician Expert Workstation

    • 2012

      Zhejiang Provincial Enterprise Research Institute Zhejiang Provincial Key Innovation Team

    • 2014

      Zhejiang Prefabricated Steel Structure Construction Engineering Technology Research Center

    • 2016

      The first batch of national demonstration academicians and expert workstations, collaborative innovation center for safe operation and application technology of long bridges, prefabricated steel structure bridge industry technology innovation alliance (Ministry of Transport)

    • 2017

      National Local Joint Engineering Research Center for Advanced Structural Design and Construction Technology

    • 2018

      Zhejiang Skill Master Studio

    Engineering award

    Engineering award

    • Luban Award

      National Aquatics Center (Water Cube)

      Jinan Olympic Sports Center Swimming Pool

      Olympic Badminton Artistic Gymnastics Competition Hall

      Terminal 3 of Beijing Capital International Airport

      Guangzhou New TV Tower

      Weihai International Commodity Trading Center

      Tianjin Museum

      Xi'an Aircraft Industry (Group) Co., Ltd. Assembly Building 369

      Sichuan Toyota Motor Co., Ltd. Joint Factory

    • Zhan Tianyou Award

      National Aquatics Center (Water Cube)

      Guangdong Science Center

      Henan Art Center

      China Film Museum

      Henan Nanyang Yahekou Power Plant Coal Storage Project

    • National Quality Engineering Award

      Guangzhou International Convention and Exhibition Center

      Yunnan Qujing Hall

      Tianjin Metro Line 1 Project

      Yantai University Multi functional Gymnasium

      Shanghai Maritime University Lingang New Campus Sports Center

      Weifang Olympic Sports Center Stadium

      Shaanxi Famen Temple Heshi Pagoda

      Hangzhou Grand Theatre

      Guiyang Cigarette Factory Relocation Technology Renovation Project Joint Workshop Project

    • China Construction Steel Structure Gold Award

      Guangzhou New TV Tower Steel Structure Project

      Steel Structure Engineering of University of Electronic Science and Technology of China Gymnasium

      Empty Zhonghua West Village

      Shanghai Maritime University Lingang New Campus Sports Center

      Wuhan Poly Culture Square Steel Structure Project

      Jinan Olympic Sports Center Swimming Pool

      Nanchang International Sports Center Stadium

      New Steel Structure Project for Shanghai Hongqiao Station on the Beijing Shanghai High Speed Railway

      Ningxia Helan Mountain Sports Stadium

    • Space Structure Gold Award

      National Aquatics Center (Water Cube)

      Jinan Olympic Sports Center Swimming Pool

      Shanghai Maritime University Lingang New Campus Sports Center

      Yantai University Multi functional Gymnasium

      Nanjing Jiangning Sports Center Stadium

      The 8th Yunnan Provincial People's Games Zhaotong Sports Stadium

      Zhejiang Huanglong Sports Center Gymnasium

      T3A Main Building, Terminal 3, Beijing Capital International Airport

      Qingdao Liuting Airport International Terminal

    • Shanghai Steel Structure Diamond Award

      Shanghai Sheshan Forest Theater

      Shanghai Maritime University Lingang New Campus Sports Center

      Swimming pool and gymnasium in the resource sharing area of Songjiang University Town, Shanghai

      Shanghai Crane Transport Machinery Factory Nuclear Power Complete Crane Transport Equipment Technical Renovation Project Joint Factory Building

      Shanghai Pudong International Airport Expansion Project West Cargo Area Public Cargo Station

      Shanghai Saikeli Automotive Mold Technology Application Co., Ltd. Phase II Factory

      Shanghai Electric Lingang Heavy Equipment Base Joint Factory

      Shanghai Automotive Exhibition Center

    • Zhejiang Province Steel Structure Diamond Award

      T3A Main Building, Terminal 3, Beijing Capital International Airport

      Tianjin Binhai Airport renovation and expansion

      Empty Zhonghua West Village

      Tonglu Fuchunjiang Lijun Hotel

      Hangzhou Wanyin International Building

      Nanchang International Sports Center Stadium

      Chengdu Shuangliu Sports Center

      Guangzhou Nansha Sports Center

      Weifang Olympic Sports Center Stadium

    • Science and Technology Progress Award

      Research on Key Technologies for Manufacturing Polyhedral Space Rigid Frame Structures

      New type of suspended dome steel structure project for the 2008 Olympic Badminton Gymnasium

      Application and research of new seismic isolation and vibration reduction technologies at Guangdong Science Center

      Fiber optic health monitoring technology research and application at Guangdong Science Center

      Research and application of prestressed space pipe truss in large-span chord tube

      Construction technology of bidirectional guide rail cumulative sliding method for large-span cylindrical lattice shell structure

      Comprehensive technology for design and construction of large irregular single-layer mesh shell system

      New bolt ball joint, point research and application



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