Browse our range of electrical cable management trays of all sizes & types in Singapore. RS Singapore, a trusted supplier and distributor of cable trays, understands this critical need. com, designed to meet the diverse requirements of commercial. Established in 2009, United U-Li Projects Pte Ltd carry a comprehensive range of high quality cable trays, trunkings, cable ladders, conduits, fittings, floor trunking systems and all assembly systems for use in diversified industries projects in Singapore. Wanco Perforated Steel Cable Trays are constructed using the highest grade of Electro-Galvanised Sheet Steel for Epoxy Powder coating and high grade hot rolled steel for Hot Dipped Galvanised coating. Standard Type (Straight Flange) 2.