整理：每日期货市场要闻速递（5月22日）

Group 1 - The price of silicon manganese from Hebei Steel Group is reported at 5850 CNY/ton for May, with the first round of inquiries at 5700 CNY/ton, down from 5950 CNY/ton in April, and a projected price of 8000 CNY/ton for May 2024 [1] - The Indonesian Palm Oil Association (GAPKI) has increased the export tax on crude palm oil (CPO) from 7.5% to 10%, which is expected to weaken Indonesia's competitiveness in the global palm oil market [1] - Malaysian palm oil production increased by 3.72% from May 1 to May 20, 2025, according to the Southern Peninsula Palm Oil Millers Association (SPPOMA) [1] Group 2 - A recent survey indicates that U.S. net sales of soybeans for the 2024/25 marketing year are expected to range between 100,000 to 300,000 tons as of the week ending May 15 [1] - The total inventory of refined oil at the Fujairah Oil Industrial Zone in the UAE was reported at 20.562 million barrels as of the week ending May 19, a decrease of 4.9% from the previous week [1] - Antofagasta, a global copper mining giant, has initiated mid-year negotiations with smelters in China and Japan, with reports suggesting that due to tight supply of copper concentrate, smelters may request "zero dollar" processing fees for the second half of 2025 [1] Group 3 - Guinea's transitional authorities have declared several mining rights related to bauxite, iron ore, gold, diamonds, and graphite as strategic reserve areas, as announced on national television [2] - Ivanhoe Mines has suspended underground mining operations at its Kakula copper mine in the Democratic Republic of Congo due to seismic activity, following a week of tremors [2] - A lithium salt company in Jiangxi is expected to halt production for maintenance for one factory in June for four months, which will impact carbon lithium production by approximately 1500 tons per month [2] Group 4 - The World Bureau of Metal Statistics (WBMS) reported a global surplus of refined copper of 20,500 tons and a surplus of primary aluminum of 277,200 tons for March 2025 [2] - The National Grain and Oil Information Center forecasts a gradual decrease in imported rapeseed volumes to China, with expected arrivals of 260,000 tons in May and 200,000 tons in June, with further reductions anticipated after July [2] - The average cost of molten iron (excluding tax) at mainstream steel mills in Tangshan has decreased by 4 CNY to 2148 CNY/ton, while the average cost of steel billets (including tax) has also been reduced by 4 CNY to 2898 CNY/ton [2]