We have our own casting factory, machinery plant, final assembly plant, with advanced production equipment and complete inspection equipment. Wellhead and Christmas tree are mainly used for oil extraction of Continental flowing Wells, pumping unit well, electric pump well and screw pump well, including conditional oil extraction wellhead equipment (casing head and tubing head), KYS series wellhead equipment and Christmas, Esp wellhead, high-pressure anti-corrosion wellhead, hydrogen sulfide corrosion resistant wellhead and thermal recovery wellhead etc., and it meets API-SPEC-6A standards. Technical specification