1. 20 years OEM metal parts manufacture 2. Main market is ... years. 3. High quality. Our Advantages:20 years OEM metal parts manufactureProfessional ability in Mould design and Die ... DIN, ISO, ASTM, etc.2. Casting methods: Sand casting, Pressure casting, lost wax casting, etc.3. Materials: Grey iron, ... Nodular Iron, Malleable iron, steel, etc 20 years OEM Manufacture High Quality Steel Casting Parts