Zhi An Wang

China Perfect Machinery Industry Corp. manufactures wastewater treatment equipment, pumps, and valves. The private company is based in Shanghai, China. The Chinese company is ultimately controlled by the Government of China.

China Machinery Industry Construction Group, Inc. provides general construction contracting services. It offers project contracting, supply & trading and project. The company was founded on July 15, 1953 and is headquartered in Beijing, China.

China Machinery Engineering Corp. engages in the provision of engineering contract and services. It operates through the following segments: Construction Contracts, Trading Business, and Services Business. The Construction Contracts segment undertakes engineering, procurement and construction contracting business of overseas infrastructure-related construction projects, including hydropower, thermal power or other engineering projects in various countries. The Trading Business segment imports and/or exports various machinery, electrical and instrumental products for domestic and overseas customers. The Services Business segment provides export-import agency services, exhibition services, design services, tendering agency services, and logistics services. The company was founded in May 1978 and is headquartered in Beijing, China.

SINOMEC Engineering Group Co., Ltd. engages in the development, investment, operation, engineering construction, research and development, and trade services of energy technology sector. Its businesses include electric power, chemical engineering, and environment. The electric power business involves in thermal power, wind power, hydropower, PV power, biomass power, distributed energy resources, and power transmission and transformation. The chemical engineering business includes in engineering design, overall planning, consultation, feasibility research, procurement, construction and construction management, for petroleum refining, petrochemical, and natural gas. The environment business covers energy conservancy and discharge reduction of recycled industry water, treatment, recycling and zero discharge of industry waste water. The company was founded on August 10, 1987 and is headquartered in Shanghai, China.