Best quality and durable stationery from renowned Manufacturer of Spring Ring Seal, serving the market since 1970. Wenzhou Zhengyi Ceramic Valve Core Manufacturing C operates under Own Lisence, dealing in Mechanical Seal of all kinds, ensuring top quality and make. Our product line is specifically designed for school and workplaces, being supplied to not only domestic market but across borders as well constituting Australia,Canada,India,Poland,Thailand,United States export market share. Our corporate venture was introduced in Wenzhou, , China, with initial fortune worth US$10 Million - US$50 Million. We understand the value of trust that our customers place in us and being a reputable Exporter of Spring Ring Seal and we make sure to look after production and shipping processes with strict quality maintenance. Wenzhou Zhengyi Ceramic Valve Core Manufacturing C is a LLC company, holding 50 Years of export experience helping us excel in the market with vast awareness and knowledge of a best product line. As of now, we have reached annual export value of US$1 Million - US$2.5 Million catering Approx More Than 1 Billion US Dollar of annual revenue.