... as per drawings or samples 4.100% inspection Item NO. welded steel ringsMaterialsIron, aluminum, steel, copper, plastic, carbon steel, nylon, bronze ... coating, galvanized, electroplating, spraying, and painting and so on.PackingWooden box, or as per the customer’s requirementsProcessing equipmentsCNC machining center ... be our great pleasure to be on service of you! welded steel rings