API, ISO9001, TRICONE BIT Our product line includes tungsten carbide insert ( TCI) bits and steel tooth bits for the toughest drilling applications. Field-proven, cost-effective technology Our....
Hejian City Feilong Retop Rock Bit Manufacture Co., Ltd specializes in the designing, manufacturing marketing and servings the high performance diamond bits, tricone bits and drilling tools which....
API, ISO 9001, higher ROP Bitâ € ™ s design and performance have been certificated by API and ISO9001 for many years with its high quality and good service. â € ¢ Thermally stable diamond inserts on....