This is a custom precision machined component produced by Suzhou Shengpuya Precision Manufacturing Co., Ltd. Manufactured from high-quality metal stock on CNC machining centers with tight dimensional tolerances and excellent surface finish, it is suitable for use in industrial machinery, automation equipment and precision assemblies. Specified dimensions: outer diameter 550 mm, length/height 45 mm, wall thickness 6 mm, machining tolerance 0.015 mm. Each part is inspected to ensure it meets the specified geometry and tolerance requirements, providing reliable performance for demanding mechanical applications.