With more than 20 years' development, Ningbo Etdz Yongzhong Valve Manufacturing Co., Ltd., ISO9001:2000 certified, is a leading manufacturer of plastic valves in China now. We have a branch factory and a branch sales office, with over 250 workers in total.There are more than 2,000 kinds of products available, which cover:1) Valves: 16 classifications and 2 major series with the specifications from DN15 to DN6002) Pipes: 2 series and 23 specifications.3) Corrosive-Resistant Pumps: 2 series and 6 specs.4) Seals, plastic corrosive-proof screws and welding strips.These products are widely used in chemical, petroleum, chlorine/alkaline, metallurgy, pharmacy, dyeing, foodstuff, electroplating, environmental protection and pure water industries.Our people know that quality and technology advancement are keys of a corporation. We always keep quality in mind. We have strict control of the production process and raw materials. Though our quality is of the highest level in China, we still keep improving our technologies both in machines and in manufacturing way. What we hope is to provide better and better products for our customers.We are looking forward to building long-term and cooperative relationships with customers all over the world. Please feel free to contact us for further information. We promise to reply within 48 hours.