Production of finished miniature bearings, semi-finished products and their parts and bearing manufacturing equipment, provide technical consultation, and sell self-produced products
Road and bridge engineering, traffic engineering and auxiliary facilities, construction and installation engineering, water conservancy engineering, municipal engineering
Production of finished miniature bearings, semi-finished products and their parts and bearing manufacturing equipment, provide technical consultation, and sell self-produced products
Road and bridge engineering, traffic engineering and auxiliary facilities, construction and installation engineering, water conservancy engineering, municipal engineering