Top Resource Conservation & Environment Corp. engages in the natural gas supply and pipeline operations, gas installation, and sale of gas appliances. It is also involved in gas, water, and energy conservation and environmental protection businesses; the provision of water treatment engineering services; and the research and development, production, and sale membrane products. In addition, the company also engages in waste heat power generation energy saving, clean energy, flue gas treatment investment, and engineering activities. Further, it involved in the research, development, designing, engineering, investment, and operation management of waste heat power generation projects, as well as sale of electricity. The company was formerly known as Top Resource Conservation Engineering Co., Ltd. and changed its name to Top Resource Conservation & Environment Corp. Top Resource Conservation & Environment Corp. was founded in 2007 and is based in Beijing, China.