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About Us
About Us
Xindi Energy Engineering Technology Co., Ltd.

A wholly-owned subsidiary of ENN Natural Gas Co., Ltd., established in 1999 and is headquartered in the Langfang Economic & Technological Development Zone, Hebei Province. Leveraging the comprehensive ecosystem advantages of ENN Natural Gas, the company is driven by technology and digital intelligence to provide full-lifecycle, low-carbon, and smart construction services for customers across diverse sectors including natural gas, chemicals, integrated energy, hydrogen, and smart delivery. A key outcome is the synchronized construction and simultaneous delivery of both the physical and digital plants.


As a high-tech enterprise, Xindi is driven by technology to fuel our business growth. Operating professional R&D centers and testing bases, possessing multiple core proprietary technologies in natural gas, clean coal utilization, hydrogen energy, and integrated energy. Our ongoing R&D in processes and equipment underpins our transition into a clean energy solutions provider. Key technologies have already been deployed include natural gas purification and liquefaction, coke oven gas methanation, high-efficiency natural gas-based hydrogen production, and LNG cold energy power generation.

  • 1999
    Established in
  • 10
    +
    Subsidiaries and branches
  • 100
    +
    With operations in cities across China
  • 22
    With operations across Chinese provinces
  • 1999
    Established in
  • 10
    +
    Subsidiaries and branches
  • 100
    +
    With operations in cities across China
  • 22
    With operations across Chinese provinces
Certifications and Qualifications
Xindi holds multiple top-tier design and EPC qualifications, as well as specialized permits for pressure pipeline (GA1) design/installation and engineering consulting credentials. Our expertise serves sectors including natural gas, petrochemicals, municipal works, pharmaceuticals, power, and M&E. Xindi also fully certified under the integrated Quality, Environmental, and Occupational Health & Safety management systems.
Engineering Consulting Certificates
Grade A in Municipal Public Utilities Engineering
Engineering Consulting Certificates
Engineering Consulting Certificates
Grade B in Petrochemical, Chemical and Pharmaceutical Engineering
Engineering Consulting Certificates
Engineering Design Certificates
Grade A in Chemical, Petrochemical and Pharmaceutical Industry
Grade A in Pipeline Transportation of Oil and Gas (Offshore Oil) Industry
Grade A in Urban Gas and Thermal Supply of Municipal Public Utilities Industry
Engineering Design Certificates
Engineering Design Certificates
Grade B in Power Industry (New Energy Power Generation, Thermal Power Generation, Power Transmission and Transformation Engineering)
Grade B in Construction Industry (Architectural Engineering)
Engineering Design Certificates
Construction Certificates
Construction Contracting Grade-I in Petrochemical Industry;
Construction Contracting Grade-I in Municipal Public Utilities Industry
Construction Contracting Grade-I in Electromechanical Industry
Construction Contracting Grade-II in Power Industry
Construction Contracting Grade-II in Construction Industry;
Construction Contracting Grade-II in Fire Protection Systems
Construction Certificates
Special Equipment Manufacture Licenses
Design of Pressure Pipelines (GA1, GA2, GB1, GB2, GC1, GC2, GCD)
Special Equipment Manufacture Licenses
Special Equipment Manufacture Licenses
Installation of Pressure Pipelines (GA1)
Special Equipment Manufacture Licenses
Special Equipment Manufacture Licenses
Design of Pressure Vessels (Regular Design of Stationary Pressure Vessels)
Special Equipment Manufacture Licenses
Special Equipment Manufacture Licenses
Manufacture of Pressure Vessel(including installation, repair and overhaul)(A2)
Special Equipment Manufacture Licenses
Special Equipment Manufacture Licenses
Grade B for Installation of Boiler (including repair and overhaul)
Special Equipment Manufacture Licenses
Special Equipment Manufacture Licenses
Grade-A for the Combination Devices of Pressure Pipeline Components (limited to gas pressure regulating devices)
Special Equipment Manufacture Licenses
Authentication Certificate
GB/T19001-2016/ISO9001: 2015 and GB/T50430-2017 Quality Management System
Authentication Certificate
Authentication Certificate
GB/T19001-2016/ISO9001: 2015 and GB/T50430-2017 Quality Management System
Authentication Certificate
Authentication Certificate
GB/T45001-2020/ISO 45001: 2018 Occupational Health and Safety Management System
Authentication Certificate
Authentication Certificate
GB/T24001-2016/ISO14001: 2015 Environmental Management System
Authentication Certificate
Authentication Certificate
GR202213004740 High-tech enterprises
Authentication Certificate
Professional Qualification Certificates
Grade III License for Installation, Repair and Testing of Electric Power Facilities
Professional Qualification Certificates
Professional Qualification Certificates
Qualification for Surveying and Mapping: Grade B in Engineering Surveying
Professional Qualification Certificates