Heilongjiang Interchina Water Treatment Co., Ltd. is a Chinese water and environmental company operating with its subsidiaries. Its business spans EPC and water treatment, energy conservation and environmental protection, and trading segments. Services include wastewater treatment, environmental engineering and technical services, project design and construction, environmental equipment agency and sales, and environmental consulting for municipal sewage and industrial wastewater treatment, along with agricultural technical services. The company also provides consulting and equipment supply for water supply and drainage facilities, engineering consulting, investment and technology development, construction project management and investment, and trading of agricultural and aquatic products. It was formerly known as Heilongjiang Heilong Co., Ltd., was founded in 1998, and is headquartered in Shanghai, China.