Group 1 - The establishment of Shanghai Hong Kong Tong Lian Trade Co., Ltd. has been registered with a legal representative named Dong Yunwan and a registered capital of 50,000 RMB [1] - The company's business scope includes general projects such as daily necessities sales, office equipment consumables sales, and enterprise management services [1] - The company is also involved in various sales of materials including metal, construction, and insulation materials, as well as internet sales excluding licensed goods [1] Group 2 - The company is permitted to engage in construction engineering operations, subject to approval from relevant authorities [1] - The operational activities are conducted based on the business license, allowing the company to independently carry out its business activities [1]