Gulf Resources' 15min chart exhibits Bollinger Bands narrowing, KDJ death cross formation.

Based on the technical analysis of Gulf Resources' 15-minute chart, it is observed that the Bollinger Bands are narrowing, indicating a decrease in the magnitude of stock price fluctuations. Furthermore, the KDJ indicator has formed a death cross, which suggests that the momentum of the stock price is shifting towards the downside and may continue to decline. This information can be used to inform investment decisions.