The company adopts CAD valve design center and three-dimensional simulation manufacturing and design system to develop and design new products, and that can optimize productâ??s structure and ensure the quality and speed of developing new product And the series products of ANSI, API, JIS, BS, DIN, GB standard steel flat-plate valves manufactured by our company have many features such as reliable seal performance, small torque when on-off, sulphur resistant and wearable, long life and cleaning pipeline by hair bulb, etc. The valves are suit for the pipeline of the non-corrosive and corrosive medium such as water, petroleum, natural gas, steam, etc to be used as on-off device. Specially, they are widely used in the fields such as petrochemical, oil, gas and long transmitting pipelines, etc. The company has passed many attestations such as ISO9001, CE, TS, AZ etc. API-6D is auditing. The products are widely used in national important engineering such as Shengli oil fields, Liaohe oil fields, Zhongyuan oil fields, Daqing oil fields, Shanghai petrochemical company, Yangzi petrochemical company, Yanshan petrochemical company, etc. The quality aim of the company is ensuring quality, credit first, zealous service, letting customer satisfied. And the spirit of the company is innovation+ quality+ honesty & faith + service. So the company promises: we use top-ranking quality, reasonable price and fast delivery time to serve for the most of customers.