J4M profilometers

J4M.J4M Company was established in October 1998 and registered in Jinan City, Shandong Province, with a registered capital of 100 million yuan. It is a professional grinding machine manufacturer with nearly three decades of history. The company occupies a site of approximately 180,000 square meters, featuring state-of-the-art manufacturing and assembly facilities. In terms of hardware, it is equipped with over 100 precision machining devices, including ultra-precision spindle production lines, housing component processing lines, CNC gantry guideway grinders, large-scale surface grinders, high-precision cylindrical grinders, and coordinate grinders. Simultaneously, the company has established a comprehensive inspection system, featuring high-precision testing instruments such as large universal tool microscopes, German-imported cylindricity gauges and profilometers, and American laser interferometers. The company's core product is the cylindrical grinding machine.