we are the manufacturer of this kind of products ,so we can offer you the products as your enquiry,we can offer u at low price Our matt finish stainless steel spring wire is produced by advanced equipment, with high quality raw material. It has smooth surface, good elasticity, high plasticity, and high temperature resistance.Grade: 200 series & 300 series & 400 seriesStandard: ASTM A580, AISI, ...