1 2 3 I&＃039;m online Chat now!With more than 20 years development, Ningbo Yongzhong Valve Manufacturing Co., Ltd., certified by ISO9001-2000, is a leading manufacturer of Plastic Valve in China now. We have one more branch factory and one more branch sales office, with 250 plus workers in total. There are more than 2000 kinds of products available, which covers: * Valve: 16 classifications and 2 major series with the specifications from DN15 to DN600 * Pipe: 2 series and 23 specifications. * Corrosive-resistant pump: 2 series and 6 specs. * Seals, plastic corrosive-proof screws, welding strips. These products are widely used in the industry of chemical industry, petroleum, chlorine/alkaline, metallurgy, pharmacy, dyeing, foodstuff, electroplating, environmental protection and pure water ***** Yongzhong people knows that quality and technology-advancement is heart for a corperation. Thus we always carries quality in mind. We not only have strict control of the production process and raw materials. Though our quality and quantity comes the first in China, we still keeps improving our technologies both in machines and in manufacturing ways. What we hope is to provide better and better products to our customers.