美腾科技：云南省煤炭产业集团四角地煤矿的TDS智能干选项目为公司承做，目前该项目已经入试生产阶段

Group 1 - The TDS intelligent dry selection project at the Sijiao Coal Mine is being undertaken by the company [2] - The project has entered the trial production phase and is currently progressing towards acceptance [2] - The company expresses gratitude for investor interest in the project [2]