API 16A Annular Bop, Mud Gate Valve, Plug Valve manufacturer / supplier in China, offering Durable Coiled Tubing Bop System for Enhanced Well Control, API High-Pressure Reactive Elbow Rotary Joint Threaded Connection Oil Well High-Pressure Movable Elbow Painted Rotary Joint, Fig 200 206 400 602 1002 1502 Female Hammer Union Weco Hammer Union API 6A High Pressure Fig 1502 Hammer Union and so on.