Steradian C series adopts CUMMINS engines. Steradian C series with Cummins engine has high reliability, with low running and maintenance cost. Established in 1919, headquartered in Columbus, Indiana, (USA) Cummins Inc. serves customers in more than 160 countries and territories through its network of 680 Company-owned and independent distributer locations and more than 5,000 dealer locations. As the largest foreign engine investors of China, Cummins owns Chongqing Cummins Engine CO., Ltd. (produce M, N, K series engines) and Dongfeng Cummins Engine Co., Ltd. (produce B, C, L engines). These facilities produce CUMMIINS engines with a global uniform quality standard. Steradian and CUMMINS provides convenience and shortcut service through their local service networks.