... compression spring specification1.made of carbon steel,stainless steel, manganese steel wire, nickel wire, galvanized wire,alloys, ... spring Brand NameXLSWire dia0.1 to 5mmMaterialCarbon steel, stainless steel, manganese steel wire, nickel wire, galvanized wire, ... , computer peripherals etcCertificatesISO9001,RoHS Equipments Advanced CNC spring machinery, grinding and shot peening machinery,Precise ...