Description:
Huanghai machinery corp is a manufacturer who designs and produces geological exploration equipments (like drill rigs), coal bed methane equipments (like CBM drill rig), engineering foundation equipments and horizontal directional pipe construction equip
Tags:
drill, drilling, rig, rigs, engineering, bed, coal, directional, methane, horizontal, pipe, equip, exploration, geological, construction, china, machinery, foundation, cbm, huanghai
