详情
we supply kinds of drill bits(tricone bits,pdc bits,drag
bits) which used on the oilfield and water well,suitable for
soft,medium hard,hard formation.
sizes: **7/8"*****1/2"(both insert drill bits and steel tooth
bit).
Langfang Fine Drill Co.,Ltd is a manufacture and exporter of drill
rod,tool joints,reamer,swivel,drill bits from China.
Skype: finedrill
Email: cnfinedrill at gmail dotcom
Add: Yongqing Industry Area,Langfang,Hebei,China
Welcome you contact us for further information.Best regards!