With the Institute of Environmental Protection Engineering under China Academy of Engineering Physics (IEPE) as its core, Sichuan Feres Entech Science & Technology Group Co., Ltd. (ENTECH) is composed of IEPE, a division of CAEP, distinguished for its advanced and systematic techniques, technological processes and complete sets of technical products, and its subsidiary companies including, among others, Sichuan Feres Electric Co., Ltd., Sichuan Entech Environmental Technology Co., Ltd., Sichuan Entech Energy Conservation & Environmental Protection Equipment Manufacturing Co., Ltd., Sichuan Entech Energy and Environmental Co., Ltd., Environmental Assessment Center. ENTECH specializes in technology research, industrial manufacture and engineering services, capable of providing new and high technology and technical products to meet the demands of domestic and international markets.

ENTECH undertakes environmental pollution control engineering projects, research, development, manufacture and operation of environmental protection equipments and facilities and focus on offering the best solutions to its customers, with its product categories ranging from environmental protection equipments, on-line environment monitoring analyzers, electron accelerator, and pulsed power, etc.