API 6A CHOKE MANIFOLD
API 6A HCR valve (hydraulic choke valve) Xi''an Chancemate. Xi''an Chancemate with API 6A, 16A,16C certificate, is the best manufacturer of wellhead,Christmas tree assembly, BOP, Hydraulic BOP control unit, casing head, tubing head, choke manifold, API 6A valve and swivel joints, hammer unions, adaptor and crossov