HANJIANG.HANJIANG is a specialized manufacturer of thread grinding machines and rolling functional components with over 50 years of development history. The company holds total assets of 600 million yuan, operates over 1,500 processing equipment units (including 158 precision, large-scale, and rare machines), and possesses 1,300 sets of precision testing instruments. It masters core thread manufacturing technologies spanning from processing techniques to standard formulation. Its product portfolio is divided into two major industries: First, precision CNC thread processing machine tools characterized by automation, intelligence, and digitalization (such as CNC thread grinding machines and grinding centers); Second, the rolling functional components industry centered on core products including ball screw assemblies, rolling linear guide assemblies, rolling guide blocks, rolling spline assemblies, and screw rotor assemblies. Products are exported to Europe, America, Southeast Asia, and beyond, serving diverse industries including machine tools, railways, automotive, and petrochemicals.