... finish machining and semi-finished machining for the cast iron,non-ferrous metal,alloy and unalloyed materials.also qualified for wire ... drawing for the steel and non-ferrous metal.electric drill for geology use and steel drill ... 6892320Qualified for rough machining of cast iron,non-ferrous metal,nonmetal materials,drills of steel,non-ferrous metal and pies,various drills for ...