we we-tell-land machinery is a professional oil field supplier neighboring BOMCO.we are specialized in the petroleum drilling rigs equipments,design and sale drilling F series triplex mud pump and its spare part.various of drilling accessories oil rig winch accessories (JC30 / JC40 / JC50 / JC70), PS hydraulic disc brake accessories , etc;oil drilling rig, workover rig, vehicle mounted drilling rig accessories, brake block, friction plate, universal shaft, pneumatic and hydraulic components.