SMM May 19 report: According to market rumors, a company in Hunan successfully concluded the final bidding for 1,000 mt of bismuth concentrates in May 2025. This batch of 1,000 mt of bismuth concentrates is currently stored at the warehousing center of Hunan Shizhuyuan Nonferrous Metals Co., Ltd. According to official sources, the bidding was conducted in two sessions, with 500 mt of bismuth concentrates offered in each session. Rumors suggest that a buyer from south China directly secured the entire batch. The final average winning bid price was approximately 139,000 yuan/mt (metal content), significantly higher than the base bid price.