Cable trays include cable trunking, cable ladder, perforated cable tray, wire mesh cable tray and the matching accessories, etc, which are often made with such materials as hot dip galvanized steel, galvanized sheet, stainless steel, aluminum alloy, Polyvinyl chloridere (PVC) or fiberglass, etc. Cable trays are extensively used to support and protect electrical wires and cables in supermarkets, hotels, hospitals and factories and the places where are more corrosive and explosion proof places like water treatment factories, tunnels, underground mines, etc.
