A staff member checks intelligent production equipment at a glasses company in Danyang City, east China's Jiangsu Province, July 16, 2024. Dubbed as China's "spectacles city," Danyang has more than 1,600 companies engaged in the eyewear industry. To maintain its market share and keep up with the new market demand, eyewear companies in Danyang have attached more importance to innovation and branding in recent years and a whole industrial chain has taken shape. (Xinhua/Li Bo)