Electrical Steel Conduit, Gi Slotted Channel, Gi Trunking manufacturer / supplier in China, offering BS4568/En61386 3 Way Tee 32mm Malleable Iron Junction Boxes, BS4568/En61386 Y Box Circular Boxes Steel Conduit Boxes 20mm Malleable Iron, 20mm 25mm 32mm BS4568/En61386 Conduit Fittings Space Bar Saddle and so on.