On December 16, the price of electrolytic cobalt increased Yuan 4,367/tonne to Yuan 411,000-412,556/tonne from the previous trading day. Moreover, the price of cobalt chloride remained unchanged at Yuan 90,000/t-95,000/t, while that of cobalt sulfate and rose Yuan 1,000/t to 108,000-114,000/t.After downstream users procured at high prices, the market has resumed a phase of relative calm. Low-priced old inventory has become scarce, and overall prices are gradually rising. Quotations for new cobalt sulfate have exceeded Yuan 90,000/t, yet downstream demand appears somewhat weak. As of now, raw material supply remains tight, and cobalt sulfate still retains upward momentum, maintaining stable operation recently.