[Yellow River Tornado: The price of rough cultivated diamonds will be increased by 10% based on the original price] On November 4, reporters learned from Huanghe Tornado that Lianyi Diamond (Henan) Co., Ltd., a wholly-owned subsidiary of Yellow River Tornado, recently issued a price adjustment letter for large single crystal products. The announcement shows that due to factors such as the recent increase in production costs and the continued appreciation of the RMB exchange rate against the US dollar, the company's operating costs have increased significantly. Starting from November 1, 2026, the price of large single crystal products (rough cultivated diamonds) will be increased by 10% based on the original price. (Reporter Zhang Chenjing)