... casting service 2.CNC machining 3.ISO901:2008 4.cast iron pipe fittings 5.sand casting pipe fittings Dalian Wills ... we provide:1. casting OEM service2. CNC machining 3. material: cast iron, cast steel,aluminum,brass,alloy, etc4. ISO 9001:20085. Working process ... iron, Alloy steel , Carbon Steel, Aluminum, Brass,etc2. Standard: ISO 9001:20083. Full set Quality ControlQuality Control:OEM Casting Cross ...