Hunan Yussen Energy Technology Co.Ltd(002986) announced that it had recently received a notice from the holding subsidiary Huizhou Yuxin New Material Co., Ltd. (hereinafter referred to as "Yuxin new material") about its shutdown and maintenance. Yuxin new material will eliminate the defects of maleic anhydride plant and conduct shutdown and maintenance from March 1. The planned maintenance time is 10 days.