PVC trunk is a kind of trunks, which is mainly used for internal wiring routing of electrical equipment. Now, environmentally friendly & flflame retardant PVC trunk is widely used. 

1. PVC trunk has the characteristics of insulation, arc protection, flflame retardant and self extinguishing etc characteristics.

2. PVC trunk mainly plays important role of mechanical protection and electrical protection. 

3. PVC trunk is convenient for wiring, neat wiring routing, reliable installation, and also easy to fifind, repair and  replace wire routing line.