Onye na-emepụta ihe eji egwu egwu egwu
Ụgwọ nke ụlọ ọrụ HFD Mining Tools Co., Ltd. na-enye Ngwa mgbapu nkume, DTH Drill Bits, DTH Hammers, Top Hammer Tools, Top Hammer Drill Bit, Eccentric casing system, Concentric casing system, Concentric casing system, Soviet Drill tools , DTH ọkpọkọ ọkpọkọ na ihe nkwụnye eji eme ihe n’egwupụta akụ, mmanụ/ gas/olulu mmiri. , pilot na-egwuputa ihe n'ịkwalite ihe na-agwụ ike, mkpọpu ụzọ kwụ ọtọ, mkpọpu ala geothermal, ihe owuwu, tunneling, mgbawa okwute, ikpo na ntọala ...
