CSEI established relations or keep contact with the following organizations and signed cooperation agreements with some of them:
American Society of Mechanical Engineers (ASME)
National Board of Boiler and Pressure Vessel Inspector (NBBI)
National Association of Elevator Safety Authorities (NAESA)
American Petroleum Institute (API)
Kemper Group of USA
The Hartford Steam Boiler Inspection and Insurance Company (HSB) of USA
CEU DG Enterprise
Technical Supervisory Inspection Institute of Germany (TUV)
Technical Standard and Safety Authority (TSSA) Ontario,Canada
Alberta Boiler and Pressure Vessel Safety Association of Canada (ABSA)
National Institute of Occupational Safety and Accident Prevention (ISPESL)
Association Organization of Technical Cooperation (AOTC UK)
Loyal Industrial Service of Britain (LRIS)
Bureau Veritas of France
OSH and the related organigations in Australia
The Association of High Pressure Gas Safety of Japan ( KHK)
Japan National Association of Boiler (NB Japan)
Japan North-sea Steel Works
the Occupational Safety and Health Service of the Department of Labour, New Zealand
Ministry of Manpower (MOM Singapore)
Labor Department & Fire Fighting Department in HongKong
Boiler Society of Taiwan Province.

CSEI is a member body of the following national academic organizations, holding important post in many of them.
China Association of Boiler and Pressure Vessel Inspection (Director , Secretary-General)
National Examination and Qualification Committee for NDT Inspector of Boiler and Pressure Vessel(vice-director,standing vice-secretary)
National Technical Committee of Standardization for Ropeway and Amusement Devices(vice-director)
China Boiler Water Quality Association(Director,vice director & Secretary-general)
National Examination and Qualification Committee for Personnel of Boiler, Pressure Vessel, Pressure Piping and Special Equipment.
China Pressure Vessel Society(vice-director)
China NDT Society(vice-director)
China Technical Committee for pressure Vessel Standardization(vice-director)
China petroleum Equipment Associatioin Memberof Council
China Technical Committee for NDT Standardization
China Technical Committee for Industrial Boiler Standardization(vice-director)
China Society of Michenical Engingeers (CSME) and its Sub-society of pressure Vessel, Power Engineering, Non-destructive Examination, Welding, and Failure Analysis.
China Standardization Committee for Gas Cylinder
China Nuclear Equipment Code Committee
China Chemical Engineering Equipment Association
China Import and Export Commodity Inspection Association
China Quality Systyem Accredit Committee for Import and Export Commodity
China National Accredit Committee for Authorized Quality System Audit Organization