1.covers more than 20million square meters, 2000 employees. 2.gray ... iron under 30 tons; aluminum cast under 1000kg. Main equipments: 1, one Resin sand molding line, one GY6040 high- pressure molding ... , Have 5 tons, 3 tons, 1 ton electric arc furnaces, 7 tons, 3 tons towering stoves , 1 ton, 650 kg induction furnace, 500kg resistance ...