Shanghai General Gas Valve Factory is one of the largest gas valve factories in China which was originally established in 1958. We have a complete product line in gas valve industry and related products. We can also produce according to samples or drawings provided.To better meet market requirements and urge ourselves to improvement, we have acquired CE and BV certificates, being strictly organized and managed according to ISO9001:2000 system.Guidelines & Principle: Quality and clients come first. Timely delivery and good after-sales service guaranteed.