Group 1 - Qinghai Yunxin New Materials Co., Ltd. has been established with a registered capital of 1 million RMB [1] - The legal representative of the company is Xu Liangzhi [1] - The company's business scope includes road cargo transportation (excluding hazardous goods), new materials technology promotion services, and various manufacturing and sales activities related to construction materials and non-metallic mineral products [1] Group 2 - The company is involved in the processing and recycling of metal waste and scrap, as well as the development of resource recycling technologies [1] - It also offers technical services, consulting, and management consulting [1] - The company focuses on the manufacturing of new building materials and the recycling of construction waste [1]