ZYJ-400/130 Trestle hydraulic rotary drilling rig for caving hole and grouting hole ZYJ-400/130-trestle hydraulic rotary drilling rig is applied to drilling of caving blast holes, drain holes, gas drainage hole... Read More
ZYJ-270/170 150m high speed mining drilling rig with post for outburst prevention This machine is used to make the hole drilling for outbust prevention, gas drainage, water and coal exploration, dust prevention... Read More
ZLJ-200 Mechanical drive drilling machine for water probing and dust prevention in the underground coal mine Features: Mechanical transmission Equiped with hydraulic clip and hydraulic feeding cylinder Simple ... Read More
