Hejian Huanyu Petroleum Machinery Co., Ltd.. We are specialized Tricone bits, steel tooth,TCI rock bit , kingdream ,CS,Lilin brand,PDC drill ,diamond core bit,bicenter bit,single cone reamer bit,down hole opener,drag bit,button ,tricone bits,steel ...

Our comapny was established in the year 2000, we are supplier of core drilling equipments like casings, rod, t. C. Bit, diamond bit etc. We also provide hydraulic hoses and moulded rubber products ferro chrome commission basis, at a very competetive rates. ...