We designs and manufactures cable tray systems, including perforated tray, cable ladder, channel tray and strut (metal framing), Combining local manufacture and distribution with an extensive product range, these facilities ensure we can effectively support customer demand and. We designs and manufactures cable tray systems, including perforated tray, cable ladder, channel tray and strut (metal framing), Combining local manufacture and distribution with an extensive product range, these facilities ensure we can effectively support customer demand and. Polymer cable trays are lightweight, durable systems crafted from plastic to manage and support electrical cables. They're designed to be highly resistant to corrosion, UV radiation, and various chemicals, making them ideal for protecting cables in challenging environments. Their non-conductive. Zhenjiang Dong Jie Electric Appliance Manufacturing. Adhering to the pursuit of perfect quality of products, so that our Polymer Cable Tray have been satisfied by many customers. Extreme design, quality raw materials, high performance and competitive price are what. Polymer Cable Tray, also known as composite or non-metallic cable tray, is manufactured through processes such as molding and pultrusion using resins, fiberglass, flame retardants, and reinforcing materials.