Hejian City Feilong Retop Rock Bit Manufacture Co., Ltd., established in 1992, is a professinal manufacturer of tri-cone bit, PDC bit, trenchless and rotary drilling tools. We’re selling globally and well certificated by API-7-1, ISO90001, ISO14001 and OHSAS18001.
We strive to be your first, best and long-term choice! Please check the attachment.
Hejian City Feilong Retop Rock Bit Manufacture Co., Ltd., established in 1992, is a professinal manufacturer of tri-cone bit, PDC bit, trenchless and rotary drilling tools. We’re selling globally and well certificated by API-7-1, ISO90001, ISO14001 and OHSAS18001.
We strive to be your first, best and long-term choice! Please check the attachment.