High Quality Drill Bit/Rock Bit/Tricone Bit Shandong Weifang Import and Export Co., Ltd. Customized:Non-CustomizedUsage:Well Drilling, PCB Drilling Base Info HS Code:82071990Production Capacity:10000PC,Year Description Basic Info. HS Code 82071990 Production Capacity 10000PC/Year Product Description Our products mainly include Tricone Bits,PDC Bits,Tricone pilot Bits,Single Cone Bits,Mining Bits,PDC Core Bits,Down Hole Bits,Engineering Drilling Bits,Drag Bits etc. Pre:Bq Nq Hq Pq Rh2 Rh4 Rh6 Rh8 Rh10 Rh12 Rh14 Impregnated Diamond Bit Core Drill Bits for Soft/Medium/Hard Rock Next:HRC55 Carbide Drilling Tool Twist Drill Bit for Wood Steel