Group 1 - Shanghai Silicon Source New Materials Technology Co., Ltd. has been established with a registered capital of 1 million RMB [1] - The legal representative of the company is Li Jiajun [1] - The company's business scope includes technology services, development, consulting, and transfer, as well as sales of various materials and products [1] Group 2 - The company focuses on advanced materials technology research and development [1] - It engages in the sale of chemical products (excluding licensed chemical products), new catalytic materials, coatings, and various construction materials [1] - The company is also involved in import and export activities, as well as domestic trade agency services [1]