Guangdong Guanhao High-Tech announced that the board of directors received the written resignation application from the deputy general manager You Changshan on August 27. You Changshan resigned from the position of deputy general manager due to job adjustment. According to regulations, the resignation application will take effect from the date of delivery to the board of directors. After resigning from the above position, You Changshan will no longer hold any position in the company, and his resignation will not affect the company's normal production operation. You Changshan holds 0.05 million shares of the company's stocks, accounting for 0.0028% of the total share capital.