Li County Huayang transportation equipment manufacturing Co., Ltd. Shandong China coal industry and mining materials Group Co., Ltd. e-commerce company is the largest e-commerce company in the province, with bachelors degree, more than e-commerce professionals, international trade personnel, senior software engineers, network technicians, mainly engaged in production, processing and operation of various mineral construction equipment and equipment, which has been sold to the provinces and municipalities directly under the central government The region and the special administrative region exported to the United States, France and Canada and other 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