1.Custom Lathe processing bolt 2.Wire dia: 0.08- ... China2Brand Name:Yuanwangxing3Style:Spiral/Flat/Coil/Abnromity springs, stamping/lathe processing hardware4Load Type:Compression/Torsion/Extension/Abnormity springss5Min. order ... imported from Germany,vacuum melting furnace,CNC machine center17Production euipment:devise industrial,auto, motorcycle, electronics, machinery, sports goods, equipment, toys ...