Group 1 - Shanghai Tengming Gas Co., Ltd. has been established with a registered capital of 500,000 RMB [1] - The legal representative of the company is Zhang Ge [1] - The business scope includes sales of chemical products (excluding licensed chemical products), sales of gas and liquid separation and purification equipment, and various technical services [1] Group 2 - The company is also involved in information consulting services, social and economic consulting services, and engineering management services [1] - Additional activities include leasing of mechanical equipment, sales of petroleum products (excluding hazardous chemicals), and sales of pipeline transportation equipment [1] - The company is permitted to conduct business activities independently based on its business license, except for projects that require approval by law [1]

Group 1 - Hefei Meijiate Gas Co., Ltd. has been established with a registered capital of 1 million RMB [1] - The legal representative of the company is Shao Xiaojun [1] - The company's business scope includes sales agency, leasing services, special equipment sales, food additives sales, and various technical services [1] Group 2 - The company is involved in the sales of specialized chemical products, valves, metal structures, and hardware products [1] - It also provides general equipment repair services and labor services, excluding labor dispatch [1] - The company is permitted to operate projects that are not prohibited or restricted by laws and regulations [1]