Undertake exhibition and display activities; Technology promotion services; Conference services; Design, produce, act as an agent, and publish advertisements; Corporate image planning; Enterprise management consulting; Selling chemical products (excluding hazardous chemicals), mineral products, and mechanical equipment. (Market entities shall independently choose their business projects and carry out business activities in accordance with the law; For projects that require approval in accordance with the law, they shall carry out business activities in accordance with the approved content after obtaining approval from relevant departments; They shall not engage in business activities prohibited or restricted by national and local industrial policies. )