PVC-U Trunking & Conduit

PVC Trunking & Conduit Moisture-proof and corrosion-resistant | Attractive and simple  | Insulated and flame retardant  | Good flexibility Pipe Series Specifications: Trunking 20×10 ~200×100mm, conduit Ø16 ~Ø75mm Type: Electrical conduit (type A) with expanded straight opening , electrical conduit (type B) with expanded straight opening  Standard(s) for trunking:QB/T 1614;  Standard(s) for trunking and fitting: JG/T 3050;  Corrugated pipe model (Φ16-Φ50) Standard(s) for corrugated pipe: JG/T 3050; Standard(s) for switch box:GB/T 17466.1