贵研铂业：公司铂族金属原料主要来自公司二次资源循环利用板块

Group 1 - The core viewpoint of the article is that Guiyan Platinum Industry (600459) is enhancing its production capacity of platinum group metals through recycling and procurement strategies [1] - The company primarily sources its platinum group metal raw materials from its secondary resource recycling sector and also procures from domestic market participants [1] - The investment in the Dongying recycling resource base is expected to further increase the annual production capacity of platinum group metals once it is completed and operational [1]