沪铜日评：国内铜冶炼厂5月检修产能或环增，国内电解铜社会库存量环比增加-20250520

Report Summary 1. Investment Rating No investment rating for the industry is provided in the report. 2. Core View The easing of mutual tariffs between China and the US has led to expectations of a rush to export, but the traditional off - season for consumption is approaching. The domestic electrolytic copper social inventory has increased compared to last week, which may cause the Shanghai copper price to fluctuate widely. It is recommended that investors wait and see, paying attention to the support and pressure levels of Shanghai copper, London copper, and US copper [4]. 3. Summary by Related Content Market Data - Shanghai Copper Futures: On May 19, 2025, the closing price of the active contract was 77,820, down 320 from the previous day; the trading volume was 82,415 lots, an increase of 10,104; the open interest was 171,235 lots, a decrease of 9,255; and the inventory was 61,913 tons, a decrease of 1,334 [2]. - Spot Prices and Basis: The average price of SMM 1 electrolytic copper was 78,110, down 720; the Shanghai copper basis was 290, down 400; the spot premiums and discounts in different regions showed varying degrees of decline [2]. - Spread: The spread between near - month and far - month contracts of Shanghai copper showed minor changes, with the spread between near - month and continuous - first contracts increasing by 10, and the spreads between continuous - first and continuous - second, continuous - second and continuous - third contracts decreasing [2]. - London Copper and COMEX Copper: The LME 3 - month copper futures closing price (electronic trading) was 9,523.5, up 76; the total inventory of registered and cancelled warrants was 0, a significant decrease of 174,325; the COMEX copper futures active contract closing price was 4.6635, down 0.02, and the total inventory weight was 170,380, an increase of 1,817 [2]. Industry News - Mine Operations: The Zaldivar copper mine in Chile has received environmental approval to extend its operation until 2028; the Antamina copper mine in Peru has started to resume production; some mines in Poland, Kazakhstan, and other places have suspended production due to various reasons [2][4]. - Production and Expansion Projects: Multiple copper mine and smelter projects have production, expansion, or suspension plans. For example, the ACS - Metalstopes metal mine's fluidized copper ore expansion project will be put into production in Q1 2020; the second - phase project of some copper mines may increase production capacity in 2025 [4]. - Trade and Policy: The US budget resolution includes tax cuts and debt ceiling increases; the US economic data may lead to Fed rate cuts; trade disputes and export policies affect copper trade, such as the export approval and higher export tax for Indonesian copper concentrate [3][4]. Downstream Market - Copper Rod Enterprises: The new orders and long - term order executions of refined copper rod enterprises have significantly decreased, and the capacity utilization rates of refined and recycled copper rod enterprises have increased, with changes in raw material and finished product inventories [4]. - Other Downstream Products: The capacity utilization rates of various copper products such as copper wires and cables, electrolytic copper rods, recycled copper rods, copper clad wires, steel strips, copper foils, copper tubes, and brass rods may decline due to factors such as high copper prices, trade policies, and market demand [4].