Group 1 - A new company, Shanghai Jiangshiya Building Materials Co., Ltd., has been established with a registered capital of 30,000 RMB [1] - The legal representative of the company is Shi Xianrong [1] - The business scope includes sales of construction blocks, mining machinery, cement products, waterproofing materials, coatings (excluding hazardous chemicals), additive manufacturing equipment, and spray guns and similar tools [1] Group 2 - The company is allowed to operate independently based on its business license, except for projects that require approval [1]