Electrical Steel Conduit, Gi Slotted Channel, Gi Trunking manufacturer / supplier in China, offering BS4568/En61386 3 Way Tee 32mm Junction Boxes HDG, 20mm&25mm&32mm BS4568/En61386 Conduit Bending Machine Malleable Iron, One Gang 3*3 Galv. Switch and Socket Gi Box 47mm Height and so on.