... machine,and hardening liquid 3. professional manufacturer 1. water cooling device kCL-03 technique parameter:1) input voltage: 3PH-380V 50Hz2 ... function of manual, semi=auto,full-auto, heating-keeping-cooling device period to control.2) perfect function of protect itself. such ... , make sure the machine work continuously.5)machine small volume, light weight, easy to remove,it has no high voltage, make ...