spring, compression spring, torsion spring, extension spring 1) Wire Dia.: 0.01 - 12.0mm 2) ISO9001:2000; ISO14001:2004 U Spring, Compression Spring, Torsion Spring, Extension Spring, ... springs, Sheet metal parts, Bolts, ect. 2. Spring Workshop3. ServicesQuick Reaction to Customers' RequirementsOwing Mould Dept, ... .Photoes of Springs U spring, compression spring, torsion spring, extension spring