Profile: Qingdao HNA Oilfield Equipment Manufacturing Co., Ltd. is a manufacturer of large drilling tools, mud pumps, fluid end expendables, and mud pump spare parts. Our products are mud pumps, modules, liners, pistons, spare parts, valves & seats, rods & clamps, power end parts, and drilling tools. Our F series mud pump is applicable to the requirement of high pressure in oil field & high displacement technology of well drilling with its solid and compact structure. Our pistons include pistons with replacement rubbers, bonded urethane pistons, bonded rubber pistons, bonded urethane triplex piston, and piston replacements. Our piston replacements include piston hubs, plates, snap rings, and renewable rubbers. Our equipment include forging, machining, heat treatment, and inspection casting.