China Yongjia GreateWall Valve Co., Ltd. was founded in 2004. It located in Anfeng Industrial Zone, Oubei Town, Wenzhou, China, where is the China Pump & Valve hometown. We have more than one hundred empolyees, including 4 engineers, 5 QC and QA. And we have a professinal ball machining workshop, where can make all kinds of precision balls, including top entry, metal seat and V type balls. On this base, our products range of floating, trunnion, top entry, metal seat, full welded, NPT ends, V type, 3-way ball valve, etc. Surely we can design them by customer's special requirements.