PLC control,3 heaters IR&hot air mix heating Hand-held vacuum pump Passed CE/ISO certificate, agent wanted Features: 1. The machine used touch-screen interface and PLC control to show the three temperature graphs at any time, so that the temperature error can be controlled within 1°.2. Have 7 temperature sections for control such as preheating, insulation, heating, welding 1, welding 2, cooling ...