Founded in 2002, Ningxia Dadi Circular Development Corp. Ltd locates at Shizuishan Eco-Economic development Zone, 60km northward of Yinchuan city, Ningxia Province, China. The corp. develops an innovation pattern of circular economy resources comprehensive utilization, it's main business covers electricity, limestone, carbon products and etc. which helps the corp. becomes the representative of the circular economy industrial chain enterprises. The corp.  covers an area of 1318 acres, possesses more than 5000 employees and owns a total assets of RMB 7 billion, which ranks to one of the top 500 chemical enterprises in China.