Hsin Hung Machinery Corporation is a manufacturer specialized in Metal Insert Locking Nut. It is also believed that Hsin Hung is probably the only one carrying out in-house spring-ring forming process. Since the beginning, Hsin Hung’s products have been exported mainly to Japan, and quality has been widely approved as well. In addition to materials and full dimensions, its products include diversified types such as hexagon, flange, cap, bearing and welding. On top of that, Hsin Hung is also willing to produce and supply custom-made specialty.