(Here are the major considerations) how to select the appropriate wheel a select wheel material: First consider the size of the road, obstacles, using the residual material on the site (such as iron, oil) Medical foot wheel, which environmental conditions (eg high temperature, room temperature or low temperature) and the wheels can carry the weight of different criteria to determine the appropriate wheel to select the material. For example: rubber wheel is not acid, castor oil and chemicals, super polyurethane wheels, high-strength polyurethane wheels, nylon wheels, steel wheels and high temperature wheel is able to be applied to different special environment. Industrial casters and caster have two directional wheel casters medical treatment, they are press-molded bracket welded to a small plate has screw holes, for fixing the material to be loaded with casters. Equipped with a thrust bearing between the bracket and only a small steel casters. PU wheels are made of plastic repression. Medical Casters | Caster (certified) | castors provided by Shenzhen Logistics Equipment Co. Custer. Shenzhen Custer Logistics Equipment Co. (www.szcaster.com) is an industry leader in Shenzhen, Guangdong, electronics, electrical products manufacturing equipment, over the years, the company implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Custer led the staff warmly welcome all inquiries negotiations to create a better future for Custer.