Qiubao Valve Co., Ltd.

qiubao valve co., ltd. is the best professional manufacturer of the ball valve components. since 1981, qiubao valve machining ball valve components around the world, there are 4 factories to service all world customers, the products including: forging, heat treatment, coating and machining( ball valve components, gate valve components), the size is from 1" to 60". a, 1”-3” ball machining factory b, 4”-18” ball machining factory c, closure, body, seat machining factory d, forging, heat treatment, coating and 20”-60” ball machining factory there is 500 employees are working in our company including 28 engineers, 32 technicians, 18 qa and 36 qc. ball valve components for customers with various specifications from 1" to 60", 150 lb to 2500 lb by different materials: a105, lf2, 410, f6a, 4130, 4140, f304, f316, 17-4ph, f51, f53, f55, monel k400, inconel, etc. the surface coating include enp, wcc, cr, tungsten carbide coating, stellite, inconel etc, which are high-hardness, abrasion proof an