... , forgings, flanges, fittings, wires and so on with below material . Corrosion Resistant Alloy-NS111, NS112, NS142, NS143, NS312, NS313, NS315, NS321 ... Metal Materials Co.,Ltd Add: No .188 ,Xinchun Road, Shanghai, China 201109 Tel: 0086 021 54192998-612 Fax: 0086 021 54192997 ...