Benenv Co., Ltd specializes inÂ the sludge treatment and wastewater treatment, offer sludge and wastewater treatment solutions worldwide, also Benenv can provide design, engineering, supply and installation of domestic and commercial water, waste water, sludge and sewage treatment systems,and other environmental engineering. Especially on sludge treatment area, like sludge dewatering, sludge dryer and carbonizer, Benenv has over 40 years experience. The company possesses complete sets of process design, equipment supply, constructions, and technology innovation. Overall, we are highly qualified of delivering turnkey and BOT projects for any industry. We have various experiences in treatment hazard wastewater industrial, domestic or commercial.