China's Copper Inventory Down 2,500 mt, Shanghai Sees Buildup Due to Typhoon, Guangdong Declines

Published: Aug 13, 2026 15:44

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[SMM Copper Social Inventory Flash] As of August 13, SMM copper cathode social inventory across mainstream regions in China fell by 2,500 mt from last Thursday to 116,700 mt, down 8,900 mt YoY, with regional performance diverging. In Shanghai, typhoon-related disruptions hindered warehouse withdrawals and led to inventory buildup. Jiangsu inventories remained broadly stable. In Guangdong, reduced arrivals combined with stronger downstream warehouse withdrawals pushed inventories lower. In the near term, imported copper cathode continues to arrive at ports, marginally easing domestic supply pressure. However, the off-season and elevated copper prices are weighing on end-user procurement, leaving market trading sluggish. National copper cathode social inventory is expected to edge up slightly next week.

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