三峰环境：控股股东德润环境增持25.63万股

Core Viewpoint - The controlling shareholder of Sanfeng Environment, Derun Environment, has increased its stake in the company through a centralized bidding transaction, indicating confidence in the company's future performance [1] Group 1: Shareholding Increase - Derun Environment acquired 256,300 shares of Sanfeng Environment on May 22, with an investment amount of approximately RMB 2.11 million [1] - Derun Environment plans to further increase its stake within 12 months from the announcement date, with a total investment amount ranging from RMB 150 million to RMB 300 million [1] - The funds for the share purchase will come from Derun Environment's own resources [1]