Shandong China coal industry and mining group (hereinafter referred to as China Coal Group), founded in the 1990s with a registered capital of 138 million yuan, is an excellent enterprise in China's machinery industry, an e-commerce recognized enterprise in Shandong Province, an information demonstration unit in Shandong Province, and a president unit of Jining E-Commerce Association. It is a diversified industrial group focusing on e-commerce, manufacturing, logistics and science and technology cultivated and supported by the state, Shandong Province and Jining City. The group has three wholly-owned subsidiaries of the head office Shandong Zhongmei industrial and mining materials Group Co., Ltd., Shandong zhongyun Logistics Co., Ltd., Beijing Yike chuangxiang Network Technology Co., Ltd. and Jining Yimei mechanical equipment manufacturing Co., Ltd., as well as 19 professional branches such as mechanical and electrical equipment manufacturing branch, logistics equipment manufacturing branch, international trade branch and trade branch.