... Classification: 200 series: 201, 202 … 300 series: 301,302,304,304L,304H,309S,310S,316,316L,321,347 ... Classification:Magnetic / NonmagneticF) Shape classification:Round wire; Half Round Wire; Square wire; pressure flat wire; precision shaped wireFactory & EnvironmentNingbo Huayuan metal ... reached 20,000 tons.Our products are selling well in the American, European, Canadian, Australian, Southeast Asia ...