整理：每日期货市场要闻速递（5月30日）

Group 1 - As of May 29, 2023, seven steel mills in Shandong have confirmed a total annual production target of 55.33 million tons, a decrease of approximately 3.5 million tons compared to the same period last year, with a planned reduction in crude steel production of 4%-10% for 2025 [1] - According to Mysteel, as of May 29, the production of rebar has shifted from an increase to a decrease, with social inventories declining for the twelfth consecutive week, while market demand has increased slightly to 2.4868 million tons, up by 15,500 tons or 0.63% from the previous week [1] - A stainless steel plant in South China plans to halt production for approximately 25 days starting July 5 due to ultra-low emission renovations, which is expected to impact stainless steel output by 80,000 tons [1] Group 2 - The Malaysian government plans to increase the biodiesel blending ratio for ground transportation vehicles from B10 to B20 [1] - As of May 25, 2023, Canadian canola exports decreased by 10.36% week-on-week to 160,100 tons, while commercial inventories stood at 919,900 tons [1] - As of May 29, the total inventory of float glass in China was 67.662 million heavy boxes, a decrease of 107,000 boxes week-on-week, while the total inventory of soda ash was 1.6243 million tons, down by 52,500 tons [2] Group 3 - OPEC+ member countries are expected to decide on increasing oil production at a meeting on May 31, although the potential scale of the increase remains unclear [2] - A major aluminum supplier has lowered its aluminum premium for shipments to Japan in Q3 to $145 per ton, down by 20% from Q2's $182 per ton [3]