... in China. 2,advanced testing equipment. 3,competitive price . Steel wire Material:SAE1006/1008,45#, 55#60#, 70#, 75#, 72A, 72B ... as you need Standard: GB4357-89, DIN17223 and so onsteel wire details.1) Material:SAE1006/1008,45#, 55#60#, 70#, 75#, 72A ... -0.0140.004-0.0070.17-0.17 stainless steel wire