Yun Nan Phoebe steel Co., Ltd is factory that located in Yun Nan, China. We supply steel materials. Materials involved for manufacture of spring wire include: 302, 304,304H, 304M, 304N, 316, 316L,410,420J2 and other quality steel rods. Stainless steel spring wire is available from 0.7mm to 15mm according to Standards of AISI, DIN and international standards.