On May 22, 2026, Zibo Hongguidong Chemical Co., Ltd. offered the following prices: domestic boric acid (industrial grade, first-grade product, content ≥ 99.5%) at 11,000 RMB/ton, Chilean imported boric acid at 11,700 RMB/ton, and Russian imported boric acid at 12,100 RMB/ton. Actual transaction prices are subject to negotiation.