1)brass carbon brush box 2)CNC,CMM 3)ISO9001:2000,ERP management 4)weight: ... :5x5-200x200mm 5)Ten-year OEM brass investment casting carbon brush box MaterialsCopper alloy, bronze, brass, other materials can according to customer ... treatment, polishing, galvanized, and so on.Packingbubble pack , carton, wooden box, pallet, or as per the customer’s requirementsProcessing equipmentsCNC machining ...