1.dia:5~80mm 2.Length:20-2000mm 3.Grade:R05200,R05400,R05255,R05252,R05240 4.Having a large number stock 5.OEM 1 ... .dia:5~80mm2.Length:20-2000mm 3.Grade:R05200 ... ,R05400,R05255,R05252,R052404.Purity:>=99.9%5. Standards: ASTM B708-2001 Customers' requests are available 6.We ...