TradeVerifyJingbo Petroleum Machinery CO. LTD, Jingxian County Hebei Province, founded in 1986, is the first grade network department of CNPC, CNOOC and SINOPEC and the fire-proof hoses branch company of well control units manufacturing center of CNPC. It is a member of IADC. ISO9000 quality management system of China Classification Society was certified. API Spec 7K, API Spec 16A and API Spec 16C was certified.