Wheel alignment, also known as a wheel gear wheel, reversing pad, blocking bit device, block cars, is made of high strength vulcanized natural rubber high-pressure synthesis, compression performance, but also have a certain softness slope, yellow and black containing reflective material, eye-catching and has decelerated significantly, non-slip, wear, reduce vehicle tire wear. It can prevent the vehicle from reversing offside avoid a collision when the vehicle into the garage, the best facilities limited vehicle parked right position. Oriental Star metal structure Engineering Limited, established in 1999, is a collection of metal sales materials, metal processing, production of stainless steel products sales processing, Iron products production and sales processing, transportation and processing facilities produced sales in one well-known enterprises in Wuhan metal structural engineering .