Min. Order Reference FOB Price
1 Piece US$15,000.00-19,000.00 / Piece
Product Description
Product Description HW420 Rock Blasting Machine HW-420B/420B-1Separated DTH Surface Drill Rig This model is equipped with a dual-motor rotary head and a multi-way valve with adjustable rotary speed. The rotary torque can reach 2200N.m, which meets the needs of 76 drill pipes and 130 bores. ...