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,Tension Spring1. Introduction of ONIC Factory Founded in1995, engineers ... 20 years' exprience, Specilized in Stamping parts, CNC lathe parts, CNC centre parts, Lathe parts, CNC springs, Sheet metal parts, Bolts, ect. 2 ...