Higher accuracy, completely interchangeable, bears high temperature, the higher utilization of hot metal. With special alloy materials, advanced ... production technology and chilling process, the products are made carefully. They can be used for more than 4,000 times, and ... Φ60Φ70Φ80Φ90Φ100Φ110Φ120Three ballΦ130Φ140 The mold of steel forging