Zhitong Financial News, Naipu Mining Machinery (300818.sz) issued an announcement that the company recently received the "Notification Letter on the Progress of the Implementation of the Share Reduction" issued by Vice Chairman, General Manager and Financial Director Cheng Sheng, as of August 16, Cheng Sheng's share reduction plan implementation time has passed the halfway point, and Cheng Sheng has not reduced the company's shares during the above-mentioned reduction plan period.