Drill Pipe, Drill Rod, Diamond Bit manufacturer / supplier in China, offering 57.2-117.5mm Head Assembly 1.81-4.06 Inch Nq Bq Hq Pq, Customizable Designs Reliable Bit Performance High Diamond Volume Percentage PDC Drill Bit, Casing Shoe Bit for Geological Core Drilling Aw, Bw, Nw, Hw, Pw and so on.
N/a manufacturer / supplier in China, offering API Zj50 1500HP Skid-Mounted Drilling Rig for Oilfield, API 7K Swivel for Drilling Rig Oil Well Drilling, Drilling Rig Spare Parts Roller Kelly Bushing for Rotary Table and so on.