Last week, the prices of waste lithium-ion batteries experienced volatile movements, while market transaction volumes were generally moderate. Hydrometallurgy plants, affected by a shortage of raw materials, operated at low overall utilization rates and showed a stronger preference for toll processing businesses. On the other hand, as hydrometallurgy plants continued to engage in toll processing, this transmission effect led to a limitation on the total volume of black mass that hydrometallurgical plants could purchase.