The registration address of shang xuan materials technology ltd. Is located in room 1804, unit 2, unit 229, grand fucon road, grand duang town, dong xuan province, and is registered with the market supervision authority of dong xuan city. The legal person is represented by li ke, and is engaged in the development, sale and sale of: nanomaterials, high-performance membrane materials, eco-environmental materials, high-molecular materials, electronic materials; wholesale (without storage); hazardous chemicals (operated within the range authorized by the operating licence for hazardous chemicals); other chemical products (excluding hazardous chemicals); import and export of goods or technologies (except for goods and technologies which are prohibited by the state or involve administrative authorization). (projects subject to legal approval may not operate without the approval of the relevant department)