Changchun Yidong Clutch CO.,LTD's high P/S ratio is concerni...

Changchun Yidong Clutch CO.,LTD's high P/S ratio is concerning due to its recent revenue drop. The market's positive sentiment, indicated by the high P/S ratio, may not last if revenue trends persist. Shareholders could face a tough period unless the recent medium-term revenue decline improves.