... form, even punch fitting of hareware.2.Usage of compression spring:auto,motorcycle,industry,ariculture,mine,furniture,and so on3 ... Characteristics of torsion spring: 2.SamplesWe have this kind of compression spring in stock. Welcome coming for us, and details and ... L/C, Western Union or Paypal Advanced machine We imported compression spring machine and computer Founded date Established in 2004, but ...