Electrical Steel Conduit, Gi Slotted Channel, Gi Trunking manufacturer / supplier in China, offering One Gang 3*3 Galv. Switch and Socket Gi Box 35mm Height, BS4568/En61386 One Way Malleable Iron Back Outlets Circular Boxes 25mm HDG, BS4568 Steel Solid Bend Conduit Fittings 32mm 90 Degree and so on.