


Certifacte and Factory
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Hejian City Feilong Retop Rock Bit Manufacture Co., Ltd![]() Profile Certified by SGS/BV
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High Quality 600mm Barrel Reamer in Horizontal Directional Drilling for Hard and Soil Formation
Hejian City Feilong Retop Rock Bit Manufacture Co., LtdHybrid Drill Bit of PDC and Cone
Hejian City Feilong Retop Rock Bit Manufacture Co., LtdHigh Quality Vermeer Compatiable HDD Drilling Drill Rod 3.5" S135
Hejian City Feilong Retop Rock Bit Manufacture Co., Ltd2018 HJG HD75A DTH Hammer Cop64 DHD360
Changsha Heijingang Industrial Co., Ltd.