Electrical Steel Conduit, Gi Slotted Channel, Gi Trunking manufacturer / supplier in China, offering HDG Malleable Iron Conduit Distance Saddles 25mm BS 4568, BS4568/En61386 25mm Malleable Iron Angle 2 Way Boxes Steel Conduit Boxes HDG, BS4568/En61386 One Way Malleable Iron Junction Boxes Steel Conduit Boxes HDG 25mm and so on.