Hangzhou Yongli Sealing Parts Co., Ltd. is a manufacturing enterprise specializing in the development, production, sales of sealing products and providing technical services. The company specializes in the research and production of sealing gaskets and other sealing materials for industries such as petroleum, chemical engineering, power, shipping and mechanical manufacturing. Its main products include: wound gaskets, polytetrafluoroethylene gaskets, graphite reinforced gaskets, toothed gaskets, corrugated tooth composite gaskets, metal ring gaskets, non-asbestos gaskets, packing and packing, etc. Not only has it solved the sealing leakage problems of pumps, valves and pipelines in various gas/chemical fluid transportation in many domestic power plants, gas plants, chemical plants, etc., but it has also been designated and selected by many well-known enterprises. Moreover, it has been exported in large quantities to many countries and regions in Europe, the Middle East, South America and Southeast Asia.

The company has always adhered to the business tenet of "Quality First, Market First, Customer Supreme, Reputation Supreme", and strictly implements the ISO9001:2008 quality management system. All products are manufactured in accordance with domestic and international industrial standards, such as GB, ASME-ANSI, DIN, JIS, BS, ASTM and other specifications. And we can customize various special specification sealing products for customers. Over the years, relying on advanced management systems, complete testing equipment, advanced process equipment and strong technical strength, Yongli Company has won the trust of domestic and foreign users. The YONGLEE series of sealing products have been widely used in enterprises affiliated with the five major power generation groups and the three major petrochemical groups in China, and have been exported in large quantities to developed countries in Europe and America.