I am the factory which produces steel wire. Steel wire is an industrial material , which is used in Mattress, Compression spring, Tension spring, Torsion spring, Rubber hose, Rubber tube, Bicycle spoke, Tyre, Control cable of car motorcycle bicycle, building construction, etc. It include : 1. Low carbon steel wire, iron wire, use for building construction, Q195, Q235, SAE1006 , SAE1008 . Diameter is 1.9mm - 7.0 mm. 2. Medium carbon steel wire, use for bicycle spoke &motorcycle spoke, SAE1040, SAE1045, 42A, 42B . Diameter is 1.7mm- 5mm. 3. High carbon steel wire, use for mattress springs and industrial springs, SAE 1060, SAE1070 , 65Mn, 72A, 72B, 80#, 82B. Diameter is from 0.15mm - 13mm. 4. Free cutting steel wire, use for spoke nipple, steel grade : 12L14, Y12Pb, SUM23, 1215, Y12. Diamter is 1.8mm - 5 mm. Technology information: Tensile Strength: Mpa (N/mm2) , acc to customer&＃039;s request Surface treatment include: phosphated, hot dip zinc galvanized, copper coated , oil tempered , etc. Produce standard : DIN17223, BS5216, JIS G 3521, EN10270, ASTM 227, etc. Packing include : Coil , Spool, Z2 , Spider, etc. Free sample wire, 2kg each diameter, I can give you to check my quality before place order . I do long term business by Good quality, Cheaper price , Quick delivery and Honest credit. My steel wire is already sold to Middle East, Europe, Africa, Southeast Asia, South America and Australia , etc. Welcome to contact Mr.Horse, if you are intrested to buy. My Email address is horsesteelwire(at)gmail My MSN is horsesteelwire(at)hotmail