Shanghai Donghui Roller Machinery Co., Ltd. was founded in 2004. It is a professional roller manufacturer with rich experience in roller manufacturing. The company team has technical personnel in roller design and R&D, and production with superb technology personnel and quality inspection personnel, etc. The rollers are sold to machinery factories and manufacturers at home and abroad.
The production equipment includes large precision machine tools, German laser engraving machines, 3D scanners, CNC engraving machines, etc. The production processes include heat treatment, turning, grinding, polishing, electroplating, laser engraving, CNC engraving, etching, extrusion, etc. We have been committed to the development and manufacturing of rollers, and have now formed large-scale, serialized and specialized production. The main products include embossed rollers, mirror rollers, micro-concave rollers, rubberized rollers, heating rollers, cooling rollers, chrome-plated rollers, stainless steel rollers, etc. We provide personalized and feasible solutions according to customer needs.
The rollers are made of high-quality carbon steel, stainless steel, and alloy steel, with specifications reaching 750*6000MM. The surface of the roller can be made into glossy, mirrored, patterned, mesh and other effects according to customer needs, and operations such as calendering, embossing, and gluing can be completed. The inside of the roller is made into a multi-channel structure, and heating or cooling is completed through oil, water, electric heating tubes, etc. The temperature difference is ≤±1℃, and the runout can reach 0.001mm. The roughness of the mirror roller is Ra0.005 (smoothness level 14 or above). The simulation rate of the embossing roller reaches over 98%. Surface coatings include hard chrome, Teflon, ceramics, etc.