Changzhou Duoling Water Treatment Factory is located in Lijia Town, Wujin District, Changzhou in the center of the Yangtze River Delta, beside the Taihu Lake. Since 1985, we have been developing and improving ourselves step by step on the basis of plastic rotameter orientation. Then, disc plate filtration systems were brought in and researched in the year of 2005.

Products: plate filters, disc filters, plate disc filters, O-type stack filters, irrigation filters, irrigation filtration systems, reused water filters, cooling water filters, circulating water filters, water filters, two-position three-way valves, flow meters, rotameters, plexiglass square meters, observation windows, Y-type filters and injectors

Duoling Water Treatment Factory specializes in the production of disc plate filtration systems and two-position three-way valves on the foundation of powerful mold manufacturing capability as well as the quintessential plastic processing capability. The products of high technology have been identified through relevant technical evaluation. They feature stable and excellent quality and have been used for water purification in industry, agriculture and environment and other fields.

Our enterprise establishes a system in strict accordance with ISO9001 standard. Our disc plate filtration systems and two-position three-way valves can meet different demands of water treatment programs and improve the backwash of waste water. They are considered as technological products, which are economical, practical and characteristic.

Duoling Water Treatment Factory will be based on the spirit of "innovation, practical, win-win", carry forward the spirit of "unity and hard work" and develop with colleagues in the water industry.