San Jin Spring Co. has been supplying Compression Spring ,Extension Spring, Torsion Spring, Wire Spring to LG Electronics, Samsung Electronics, Hyundai Electronics, Hyundai Motors, Kia Motors since 1987.We now focus on exporting our products and guarantee you satisfied with our products. We supplies springs all over the world using systematic quality control which got good reputations. All of our staffs will be positioned in the place which our customers stay and do our best to develop the quality. Thank you for being interested in our products.