Ningbo Dingyan is specialized in manufacture of metal products,mainly stainless steel wire for springs in various grades and sizes:
-size:diameter from 0.18mm to 4mm
-Type:201, 201Cu, 201Cu-1, 201Cu-2, 202, 301, 302, 304, 304L, 304H, 316, 304ES, D666, D667, D669, 130M
-Standard:ASTM A313,JIS G4314,EN 10270-3 and other international equivalent standards
-Finish:soap-coated(matt finish) and bright finish
-Package:individual coils,pallets ,wooden cases and spools