We  have  been supplying  OIL DRILLING EQUIPMENTS such as mud  pump parts, clutches, and drilling rig parts with ISO9001-2000 certificate  for  more  than ten  years. We  are a membership of the suppliers' networks-China  National Petroleum Corporation (CNPC) and China Petroleum and Chemical  Corporation(CPCC).  Furthermore,  Our products are supplied to BOMCO, RG, RONGSHENG, HONGHUA, KERUI, etc.for  many years  and also do OEM for them. Our products are non-inspection products in  the  domestic  market.