Research and development of new smelting technology and investment in mineral resources, the business scope is in line with Item 9 (Nonferrous Metals), Item 1 "Exploration and Development of Nonferrous Metal Existing Mines to Replace Resources and Development of Deep Difficult-to-Coal Seam with Scarce Resources" and Item 25 and Item 38 (Environment The contents specified in Item 38 (Environmental Protection and Resource Conservation and Comprehensive Utilization) and Item 26 (Development and Comprehensive Utilization of Low-grade, Complex and Refractory Minerals) of the Technology for Separation and Comprehensive Utilization of Valuable Elements in Associated Mineral Resources belong to industries encouraged by the state. In 20 1 1 year of Shaanxi Shi Lian Mining Co., Ltd., if the income from the above-mentioned main business exceeds 70% of the total income, the enterprise income tax can be levied at a reduced rate of 15%. 20 12 Whether to enjoy preferential tax policies for the development of the western region from 2020 shall be implemented according to the provisions of tax policies.