ST恒久：显影剂项目两条产线投产

Group 1 - The core point of the article is that ST Hengjiu (002808) has successfully entered the production phase of its developer project after more than two years of preparation and construction [1] - The project includes a total of 8 toner production lines, with 2 lines already completed and in production [1] - Each production line has the capacity to produce over 1,000 tons of developer annually [1]