H.S.offers a wide range of perforated ladder cable tray which are one-time moulding , using quality raw material such as Pre-galvanized (GI),HDG,SS,AL,FRP etc. with the advantages of anti-corrosion, easy-installation, durability and light weight. Our product is qualified by ISO9001 quality management system, our production is strictly controlled according to regulations of ISO9001.Our cable tray product also get approval and get CE,UL,CUL certificate. We are also glad to provide our customers with other certificates to promote sale in their regions. These perforated cable trays are offered in different types, generally fabricated in mild steel.