... 3.By extrusion 4.Customized formulation 1,For our PVC compound products, PVC resin is the main raw material. And adding plasticizer ... Our products mainly used for the elevator, electric welding machine, driving and outdoor portable electric wire and cable security lay2 ... Q / 320287 NMM01-2008, used for elevator, electric welding machine, driving and outdoor portable electric wire and cable, conform to ...