J4M grinding machines

J4M.J4M was established on October 29, 1998, with its registered location in Jinan City, Shandong Province. Occupying an area of approximately 180,000 square meters and with a registered capital of 100 million yuan, it is a grinding machine manufacturer with a long history. The company possesses over 100 precision machining equipment, including ultra-precision spindle production lines, box-type component processing lines, CNC gantry guideway grinders, large precision surface grinders, high-precision cylindrical grinders, and high-precision coordinate grinders. It also maintains various precision inspection equipment such as large universal tool microscopes, German-imported high-precision roundness gauges, profilometers, surface roughness testers, and American Optics laser interferometers. The state-of-the-art manufacturing and assembly facility spans 20,000 square meters. Primary products include: cylindrical grinding machines.