Chaoyang Lianqiang Roll Co., Ltd. (former Tangshan Lianqiang Metallurgical Roll Co., Ltd.), initially was called Fengnan County Roll Factory (since 1983) which belongs to Metallurgical Department of China, it is one of the earliest companies to develop centrifugal casting technique and make centrifugal casting rolls in China, leading medium to small centrifugal casting roll industry for 40 consecutive years in China, its customers cover more than 20 major countries, maintained a great reputation in global steel industry. “Lianqiang Roll” is registered brand of China