中机认检(301508.SZ)：尚未开展稀土方面的检测业务

Group 1 - The company, Zhongji Renkeng (301508.SZ), is a national third-party certification and inspection service provider for vehicles and machinery [1] - The main business includes inspection and testing services for complete vehicles, military equipment, engineering machinery, special equipment, civil aviation ground equipment, and components, as well as product certification, system certification, and service certification [1] - The company has not yet engaged in rare earth testing services [1]