Changsha Drilling Machinery CO., LTD

QDW-50 drilling rig is a kind of fully hydraulic, modularized and portable exploration drill rig for mountain

CYDX-5 Crawler Hydraulic Power Head-type Core Drill Rig is a large-power fully-hydraulic driving deep-hole cor

GY-200-1DT drilling rig is a multiple usage engineering drilling rig with large spindle installed, which is ve

XB-1B is a light high-speed spindle rotary drilling rig, it has been widely applied to the geo-exploration in

QWT-30 Light Drilling Machine is a light prospecting drilling machine developed upon model WTY-30, it was desi

TW-100 drilling rig is a kind of new-type fully hydraulic geophysical exploration drill rig mounted on the cha

GY-50-1 portable drilling rig is adopted with hydraulic pressure feeding structure; it can proceed rotary or p

GY-300A is a core drilling rig for middle and shallow hole. It applies not only to alloy and diamond core dril

GY-150HB is portable and multipurpose engineering exploration drilling rig, applicable to the engineering geol

GY-1 portable drilling rig is a kind of multi-use engineering reconnaissance drill. It can proceed attacking a

GY-150B is a portable and multipurpose engineer exploration drilling rig, applicable to the engineering geolog

WTY-30A is designed for general prospecting, geologic structure prospecting, road and building construction pr

GY-200-1A drilling rig is a multiple purposes light drilling rig. GY-200-1T is a model developed on the basis

This kind of PDC bits (polycrystalline diamond composite bits) is specially used in drilling a variety of stra

The bit crown of electroplated diamond core bits are electroplated with layers of synthetic diamonds in the el

The casing shoe bit is mainly used in handling casing tube in the shallow earth surfaces, and we have casing s

The tungsten carbide bit is specially used in core drilling, and its cylindrical steel drill bit is covered by

The reaming shell is usually made from steel body, polycrystalline diamond and carbide powder. It is used to j

Surface-Set Diamond Bits are set with a singular layer of natural or synthetic diamond utilizing a hard matrix

The impregnated diamond bits are the most commonly useful bits in the mineral exploration industry, as they ha