Gold Index: 148
Hejian City Feilong Retop Rock Bit Manufacture Co.,Ltd [China (Mainland)]
Business Type:Manufacturer City: Chengdu Province/State: Sichuan Country/Region: China (Mainland)
TRIOCNE BIT , INSERT BIT, ROCK BIT, DRILL BIT
IADC
API TCI bit, higher ROP, longer use life.high reliability and quality
2014-04-30