Aluminum guide roller made of high quality aluminum alloy materials,inside is reinforcing rib structure,.it is high strength, low resistance, light weight, flexible rotation, no-rusty, wearable and corrosion resistance. The size of outside diameter is from 22mm to 320mm. Under the cheat by computer balancing correction process, the dynamic balance of the aluminum roller will be small than 5g. With using of sophisticated equipment and special tools, the roller surface gloss can be 0.8 or 0.4, concentricity can reach to 0.02mm. itis especially suitable for printing, packaging, plastics, paper, glass, pharmaceutical, electronics batteries, textile machinery and industries.