... spring, Extension spring, Torsion spring ,Coil spring etc7 Producing Equipment:Spring machine Jinju & 502S(Spring coiling machine, Pressure spring machine, CNC computer spring omnipotent machine, grinding machine,automatic spring ... dedicated QC10 About us :Our company was founded in October, 2000, specializing in the production of CNC/AUTO lathe, springs, shafts, screws, stamping parts ...