providing the lead casting of 18,20,36 mold . Hourly production capacity of 28, 30 ... and 56 tons. Weight accuracy about 1 to 5% providing the lead ... casting of 18,20,36 mold . Hourly production capacity of 28, ... , the main products are copper smelting furnace, lead smelting furnace, tin smelting furnace, zinc smelting furnace ...