... air operated tool, chisel, cold shears, cavity plate, air hammer tools, etc.annealing≤600°C , air cooling hot treatment quench860 ... :smelting equipment : 3 and 4 tons induction furnaces;electric slag furnaces of 0.5t,1t,3t,5t,especially ... both unipolar and bipolarity series functions.etc.Processing equipments : electric hydraulic hammer; supporting equipments, gas producer, reheating furnace, gas ...