Hejian huanyu petroleum machinery co., ltd.

Hejian Huanyu Drill Equipment Co., Ltd. in China. Since 1998 is the supplier new,renew ,used (rebuilt) tricone bit,steel tooth bit ,TCI tricone bit ,rock roller bit,three cone bits,tri-cone bit,milled tooth bit,steel tooth rock bit,PDC bit,diamond core bit ,single cone bit ,reamer bit,hole opener ,drill pipe ,drill rod ,drilling machine,downhole motor,button bits. Our products can work for oil well, water well,mining,geothermal, environmental, exploration and blast hole We have many clients from America, Canada,Asia,Middle East,UK and so on, just because the quality of our products satisfying.