Jin Coal Group

Customer Name: Jin Coal Group, Listed No.476 in Fortune World Top 500 in 2017 Mine: Chengzhuang (Benchmark mine of Jin Coal Group) Certificate Date: March 25 th , 2018 Equipment: SuperDrill ZYL-15000D , 1 unit Accessories: TID Conventional... ...More>>

Shanxi Lishi Tanyaoping Coal mine

Graphic Map of Borehole Trajectory Customer: Shanxi Lishi Tanyaoping Coal mine Equipment: SuperDrill ZYL-15000D , 1 unit Accessories: TID Conventional MWD Pipes: TID Conventional CHD Bits: TID PDC bits120mm Achievement: Borehole DM120 mm co... ...More>>

Discussion on the working principle of expansion tank / air

Discussion on the working principle of expansion tank / air... ...More>>