... Approvals:ISO9001,ISO14001 wire diametervariousmaterialcarbon steel,alloy spring steel,music wire steel,and stainless steel,iron,plated steel, ... User GuideIn order to quote you the best price,please provide the following information:1)Product size2)Order ... and functional requirements4)Any special packing or other requirements About the material:1). Carbon Steel, Stainless Steel, Copper, Phosphor ...