... 2) ISO9001:2000; ISO14001:2004 U Spring, Compression Spring, Torsion Spring, Extension Spring,Tension Spring1. Introduction of ONIC Factory ... parts, CNC lathe parts, CNC centre parts, Lathe parts, CNC springs, Sheet metal parts, Bolts, ect. 2. Spring Workshop3. ... report,specification inspect report,surface treatment4.Photoes of Springs U spring, compression spring, torsion spring, extension spring