The company's P/S ratio indicates moderate growth, matching industry trends. However, its recent three-year growth lags behind industry forecasts. If recent medium-term revenue trends persist, the likelihood of a share price drop could significantly increase, posing a risk to shareholders.

Changchun Gas Co. Ltd's P/S ratio is a tad high given its slower three-year growth compared to industry forecast, which could impact investor sentiment. It's anticipated that maintaining the P/S ratio will hinge on notable medium-term performance improvements.