Arc chute(arc chamber), Stamping part manufacturer / supplier in China, offering Railway Contactor Arc-Extinguishing Chamber: 30 Pieces of DC01 Cold-Rolled Steel Strip (zinc 3um plated) + Hb-77 Insulating Paperboard, Railway Contactor Arc-Extinguishing Chamber: 74 DC01 Cold-Rolled Steel Strip Grids + Red Steel Cardboard Support (zinc 3um plated) , Railway Contactor Arc-Extinguishing Chamber: 45 Cold-Rolled Steel Strip DC01 Grid Plates + Red Steel Cardboard Support (zinc 3um plated) and so on.