Group 1 - The core business of the company is focused on phosphorus chemicals and non-ferrous metal zinc smelting, with main products including zinc ingots, zinc alloys, phosphate series products, and compound fertilizers [1] - The company holds a 30% stake in Tibet Hongda Duolong Mining Co., Ltd., which currently possesses exploration rights for the Duolong Copper Mine and the Dubuzaxi Copper Mine [1] - Tibet Hongda Duolong Mining Co., Ltd. is actively advancing the "exploration to production" transition and the preliminary preparations for the development of the Duolong Copper Mine, aiming to convert high-quality resources into actual benefits as soon as possible [1]

Core Viewpoint - Hongda Co., Ltd. announced a phased investment in its associate company Duolong Mining, maintaining a 30% stake after a monetary contribution of 158.53 million yuan [1] Group 1 - Hongda Co., Ltd. plans to invest 158.53 million yuan in Duolong Mining, in collaboration with its affiliate Hongda Group [1] - The investment will not change Hongda Co., Ltd.'s ownership percentage in Duolong Mining, which remains at 30% [1] - Duolong Mining currently holds exploration rights for two mines: Duolong Copper Mine and Duobuzaxi Copper Mine, with the Duolong Copper Mine having entered the "exploration to production" phase [1]