Varel International Drill Bits for oil & gas and mining & industrial applications PDC Drill Bits Roller Cone Drill Bits Technical Services
회사 설명:
varel also produces tungsten carbide insert (tci) roller cone bits, steel tooth, open bearing roller cone bits and related technical services for the mining and industrial sectors.
검색 하기 키워드:
steel tooth bits, blasthole bits, reverse circulation bits, pilot hole bits, oil, gas, mining, industrial, varel international