Tangshanshi Yulong Metallurgical Roll Co.,Ltd focusing on centrifugal composite roll as a professional production basement, is located at ZunHua, Hebei, with a total investment of RMB 160 million, a floor area of 45,000 square meters, and an overall floorage of 25,000 sqaure meters. The production capacity is 15000 tons of rolls and rings every year, and the product is divided into seven types, more than 30 varieties.