Product List
HL-216 PDC Drill Bit
Jiangsu Haili Petroleum Equipment Co., Ltd.
HL-216Drill Bits
PDC drill bit with polycrystalline diamond compact cutters for medium-hard formations.
HL-311 Tricone Drill Bit
Jiangsu Haili Petroleum Equipment Co., Ltd.
HL-311Drill Bits
Tricone drill bit for hard and abrasive formations with tungsten carbide inserts.