Zhejiang Zhongchang water treatment technologyCo.,Ltd., a high-tech enterprise，was founded in 1978. Zhongchang is a collection of sewage treatment technology and equipment research and development, integration and sales of complete set of water treatment equipment, water treatment project construction, centralized operation and management of sewage treatment plants, investment in water projects and other business, covering covering urban water supply, urban sewage treatment, industrial sewage treatment, reuse , technology development and application of water reuse.

     Zhejiang Zhongchan possess general contractor license of Grade B for mechanical and electrical engineering construction, and participated in compiling the technical specification of  Integral Pouring Filter Plate and Adjustable Filter Head applied in the Gas-water Flushing Filter for the China Association for Engineering Construction Standardization (CECS), and of Filter brick for Water Treatment and Inclined Pipe for Water Treatment for Chinas urban construction industry. The projects we participated got the Luban Award for high quality engineering issued by China Construction Engineering industry.  Zhongchang has built a set of a complete service system combing with scientific research, design, manufacturing, installation, commissioning, operation and maintenance, training, after-sales service .