... quality 2..Professional manufacturer. 3.Prompt delivery High carbon steel wire for mattress 1.Diameter range:0.8-5mm 2.Main application ... :making spring,mattress,wire rope.for ACSR,for fence. 3.Standard:GB4357,DIN17223,JIS G 35214.Type ... ,high carbon5.Each Z2 packing weight:350KG-500KG,or as your requirements, roll packing anti-rustCertificates: QC :Factory:We are sincere ...