Shandong China coal industry and mining materials Group Co., Ltd. e-commerce company is the largest e-commerce company in the province. It has Bachelors degree in e-commerce, more than professionals in international trade, senior software engineers, network technicians, and various kinds of mining construction equipment and equipment that have been sold to various provinces, municipalities, autonomous regions and special administrative regions, exported to the United States, France, Canada, etc Many countries and regions have supported the construction and production of large coal mines in Xinjiang, Inner Mongolia, Sichuan, Shanxi, Shandong energy group and the construction of high-speed railway tunnels