... 12.0mm 2) ISO9001:2000; ISO14001:2004 U Spring, Compression Spring, Torsion Spring, Extension Spring,Tension Spring1. Introduction of ONIC Factory Founded ... CNC springs, Sheet metal parts, Bolts, ect. 2. Spring Workshop3. ServicesQuick Reaction to Customers' RequirementsOwing Mould Dept, Only ... report,surface treatment4.Photoes of Springs U spring, compression spring, torsion spring, extension spring