Various materials of concrete cart rolls can be supplied. The size of roll is exactly the same size of the concrete cart. Company's products cover various types of carbon steel, alloy steel, stainless steel, the products are widely used in petroleum, chemical, electric power, metallurgy, shipbuilding, bearing, slewing bearing and maintenance needs.Some products are exported to Germany, Canada, the United States and other international markets, the company strictly control product quality, have ISO9001:2008 quality system certification, quality and service won consistent high praise by domestic and foreign users.