The photo, taken on September 4, shows workers busy producing drive gears at a factory of Hongde Refined Machinery Co., Ltd. in Yuhua District, Changsha.

In recent years, the company has been increasing investment, accelerating new product research and development, and improving product quality. It produces over 30,000 pieces of various gear transmission parts annually. Its products are favored by customers both at home and abroad due to their high precision, low noise, and good abrasion resistance. (en.changsha.gov.cn; Photo/Li Jian, Hunan Daily)