Compression Spring: 1. 30 years experience in spring manufacturing. 2. Over 100 precision spring forming machines. 3. Professional engineers and technical staff providing entire product solution from design, production to quality assurance 4. Availability of various types of imported and domestic raw materials including SUS304, SUS301, Carbon Steel Wire(65Mn, 70#, 82B, SWA/B/C), Music Wire, Ni-coated Stainless Steel Wire, Ni-coated Carbon Steel Wire, Oil Tempered Wire, Pre-galvanized steel wire, etc. 5. Responsible quality control to assure quality products Add to Basket