Jingbo Petroleum Machinery Co.,Ltd. in JingCounty of Hebei Province has been designated as the single supplierof special soft pipe for well control by the High Pressure andFireproof Soft Pipe Sub-factory of the Well-control EquipmentManufacturing and Completing Centre of China National PetroleumCorporation, and the former China Petroleum and Gas Head Office.This company is also ranked as the forst class network member forChina National Petroleunm Corporation,China National PetroleunmPetroleum & Chemical Corporation,and China National OffshoreOil Corporation, it is also the member of International Associationof Drilling Contractors.Our company has passed the API SpecQ1,ISO9001 quality system authentication and API Spec 7K,16Cproduct authentication.