Tianjin Jinji Grinding Machine Co., Ltd. (formerly Tianjin Grinding Machine Factory and Tianjin Machine Tool Factory) was founded in 1949 and has a history of more than 50 years of research, development, design, and production of surface grinders. The company has a precision grinding machine research institute, which integrates strong design experience and precision manufacturing technology. With excellent personnel structure and advanced process foundation, it has become the cradle of precision grinding machines in China. The company's products include over 80 varieties and specifications of technical reserves, including high-precision horizontal axis rectangular table surface grinders, high-precision horizontal axis circular table surface grinders, vertical axis circular table surface grinders, CNC corrugated roller forming grinders, CNC arc shear blade forming grinders, CNC strong forming grinders, and guide rail grinders. The 71 series grinders, represented by the MG7125 high-precision horizontal axis platform surface grinder, have good rigidity and high precision. The MM7125 precision horizontal axis platform surface grinder has been awarded the National Silver Medal by the State Administration of Technical Supervision and the First Class Quality Assessment Certificate by Tianjin City. The 73 series grinder, represented by the MG7340 high-precision horizontal axis circular table surface grinder, is suitable for grinding disc-shaped parts, friction plates, bearing rings, indexing disks, annular guide rails, saw blades and other parts with high requirements for parallelism and roughness. The 74 series grinders, represented by the M74180 vertical axis circular table surface grinder, have high grinding head power and production efficiency, and are suitable for mass production of large circular workpieces such as saw blades, bearing sleeves, piston rings, etc. The CNC series of forming grinders, represented by the MKL7175 CNC powerful forming grinder, can directly grind blanks and replace milling, planing, pulling and other processes with grinding. Its efficiency in processing complex shaped workpieces is extremely high, and it has won the second prize of the National Machinery Industry Bureau and the second prize of the Tianjin Municipal Government's Science and Technology Progress Award. The MTCNC-12 CNC Corrugated Roller Forming Grinding Machine is an efficient and high-precision grinding machine developed for the packaging machinery industry, filling the domestic gap and winning the Excellent Achievement Award of China Packaging for Ten Years and the Third Prize of Tianjin Municipal Government Science and Technology Progress Award. The MTCNC-18 Longmen CNC Corrugated Roller Grinding Machine covers the grinding of corrugated rollers with various size requirements. The MTCNC-14 and MTCNC-15 CNC cutting edge forming grinders manufactured for large steel companies have won the third prize for scientific and technological progress from the Tianjin Municipal Government. The MTCNC-19 gantry CNC cutting edge grinder covers the grinding of cutting edges with various size requirements. The specialized machine product composed of T74 series machine tools is a processing equipment developed and researched for the locomotive and automotive industries, meeting the needs of China's automotive industry and engine manufacturing industry. Responsible for the sales business of machine tool products, including customer selection, pre-sales and after-sales service, supply and maintenance of machine tool accessories, major repairs, item repairs, modifications and other service projects for the entire machine tool. The corporate policy of "customer first, reputation first, sincere cooperation, and common development" has enabled "Jinji" grinding machines to keep pace with the global trend of grinding machine development.