Mould cavity, core, Screw neck of steel adopt imported S136 in Sweden, and the hardness up to HRC 48-50. Advanced mould design technology: Each Cavity self-locks independently and using high precision CNC SYSTEM. To ensure low decent ration& precision of the productï¼›Each Mould spare part can be inverted with durable parts, which are interchangeable; In order to improve and achieve high production efficiency, we always design the best cooling system and can match a cooling machine for each mould. Advanced& accurated valve hot runner& temperature controller, ensure reliability of production, and high transparency & brightness of product. Mould sliding use copper, bottle should be achieved FOOD SECURITY standard.. And Mould life guarantee more than 3 million shots.