stainless wire -18 years production experience -Advanced CNC equipment -ROHS Approved -New buyers support About 300 series stainless wire300 series stainless wire are with high chemical inertness, elasticity and tenacity, widely applies to the lines of industry, machinery, medical, food, electron, chemical, aviation.Products:A) Material Classification: 200 series: 201, 202 … 300 series: 301,302, ...