Wen Lei Ma

China Petroleum Engineering & Construction Corp. specializes in oil engineering, manufacturing, construction, and lump-sum contracting. The firm operates its business through following segments: Engineering Design, Construction and erection, Engineering Manufacture, Engineering Procurement and Technical Services. Its services include preliminary consultation on large oil projects, feasibility study, environmental impact and safety assessments, survey and measurement, design, procurement, construction, manufacturing, supervision, commissioning trial and operating maintenance as well as project engineering, procurement and construction () and project management contracting. The company was founded in 1998 and is headquartered in Beijing, China.

Suzhou Zhongsheng Environmental Remediation Co., Ltd. engages in development of technology for ecological and environmental protection. Its business scopes include soil remediation and Investigation, environmental engineering, environmental assessment and consultation, sewage operation, hydraulic engineering, water treatment, and pipeline operation and management. The company was founded on June 29, 1998 and is headquartered in Suzhou, China.