Fiberglass Cable Trunking: 1. Specialized manufacturer and exporter 2. UL, SGS, IEC and CE certificates 3. ISO9001-2008 Cable Trunking Packaging & DeliveryPackaging Detail: ... capacity is 27% stronger than traditional cable trays and cable ladders.The certificates: CE, NEMA, ISO9001-2008, SGS.... Application:The electric ... the universalized level. Fiberglass Cable Trunking (UL, SGS, IEC and CE)