“Quick Mold Change System” is for Injection Molding Machine and Die Casting machine. It adopts four independent circuit of cross clamping to clamp the mold. Each hydraulic circuit is with the function of maintaining pressure for a long time. The desired pressure is not affected by power failure or reduction in air pressure. In order to save time for the mold change and ensure the operation safety, it is just in time to apply Qucik Mold Change System.