For Drillers who Demand the Best.
EHWA Diamond Industrial Co. Ltd and General Tool have developed a family of Drilling Tools to achieve maximum performance for all drilling applications .
RC & Rock Tools
DTH drilling tool is a kind of drilling system which uses compressed air as motivation, makes drilling impact motivation parts down the hole, to control the piston reciprocating motion by the distribution device in the hammer,
SURVEY & ORIENTATION INSTRUMENTS
High precision instrument with superior strength DeviShot is available in the standard 35mm diameter or in 30 mm for smaller diameter requirements projects. This rugged instrument measures the drill hole path,