Licensed Projects: Production of hazardous chemicals, Mobile pressure vessels/ Gas cylinder filling, Inspection and testing services, Food additive production。( Projects that require approval according to law, Business activities can only be carried out after approval from relevant departments, The specific business projects are subject to the approval documents or licenses of relevant departments.) General Projects: Manufacturing of special electronic materials, Sales of special electronic materials, R&D of special electronic materials, Technical Services、 Technology Development、 Technical Consulting、 Technical Exchange、 Technology Transfer、 Technology Promotion, New material technology research and development, Import and export of goods, Food additive sales。( In addition to licensing business, Able to independently operate projects that are not prohibited or restricted by laws and regulations)