Group 1 - The company Qinhuangdao Tianjing Technology Co., Ltd. has been established with a registered capital of 50,000 RMB [1] - The legal representative of the company is Li Shaohua [1] - The business scope includes technology services, development, consulting, and promotion, as well as sales of various glass products and materials [1] Group 2 - The company is involved in the promotion of new materials technology and sales of optical glass, fiberglass products, and daily-use glass products [1] - Additional activities include sales of metal tools, glass instruments, machinery, daily-use ceramics, electronic components, and solar power technology services [1] - The company operates under the principle of conducting business activities independently based on its business license, except for projects that require approval [1]