Shanghai Triumph Energy Conservation Engineering Co., Ltd. (STEC) was established in January 2009. STEC is a high-tech enterprise jointly established by China Triumph International Engineering Co., Ltd. (CTIEC) and Mitsubishi Corporation (MC). Relying on the world-class technical team and technology platform built by CTIEC over years, and introducing the mature technologies and advanced management of MC, STEC is specialized in the recovery of low-temperature flue gas waste heat for power generation, carbon dioxide capture and utilization, biomass power plant, distributed energy solution, and related energy conservation and environmental protection projects. STEC's EPC projects are all over the world, including Japan, France, Belgium, Germany, South Korea, Turkey, Indonesia, Uzbekistan, Pakistan, Colombia, Nigeria, etc.

In the field of Carbon Capture, Utilization and Storage, STEC collaborates with the Shanghai Advanced Research Institute of the Chinese Academy of Sciences and Dalian University of Technology to jointly research and develop carbon capture materials and processes.