上期所沪锡主力合约大跌8% 广期所多晶硅主力合约跌超4%

Group 1 - The Shanghai Futures Exchange's main contract for tin dropped by 8%, closing at 348,510 yuan per ton [1] - The Guangxi Futures Exchange's main contract for polysilicon fell by over 4%, settling at 48,145 yuan per ton [1]