The cable trays consist of a thin metallic plate and electro-welded steel rods. Their construction is based on the international standard IEC 61537, which specifies the requirements for cable tray systems, tests, and specifications. It's strong, durable, and can withstand a lot of wear and tear. Mild steel is a cost - effective option for. These trays may be made of wire mesh, called "cable basket", or be designed in the form of a single central spine (rail) with ribs to support the cable on either side. Channel. We, the renowned Electrical Cable Trays Manufacturer and Supplier in Belarus, use premium materials like galvanized steel, stainless steel, and fiberglass to manufacture our cable trays.