Our factory have more than ten years experience for drilling equipments of Raise boring machine, drill rods, broaching cutters, tricone bits, wireline core barrel and accessories, diamond core drill bits, reaming shell, button bits, tapered drill steel, DTH drill rods, casing pipes, overshot, hoisting plug, SPT tools etc.We supply free oversea service for raise boring machine.Any inquiry or question pls contact with me.
