welding of all thermal-fused material such as LDPE, PVC, HDPE, EVA, PP and PVC,HDPE,EVA,PP Please carefully read the literary in ... welding of all thermal-fused material such as LDPE, PVC, HDPE, EVA, PP and PVC,HDPE,EVA,PPThe control of this series adopt PID ... automatic thermostatic control with high control and low temperature ...