We, Jin Sang Sa changed our firm name from Jin Ha File which have produced sapphire-nail-files, ceramic-files, foot-files, emery-boards, quick-shiners and nail-buffers since 1990, to start trading business for domestic and foreign markets. Improving the beauty of life is the only goal we have pursued since our company had been established. We have tried consistently to raise our products qualities for the past 20 years and we have got a lot of know-how as a nail-file maker. In the long run, we have been equipped with the systems to be able to supply best qualified products with cheap prices. If you have any questions regarding our company or products, please contact us freely at any time. You will get satisfied answers on your questions.