On January 16, the PVC market in Linyi experienced a softening trend, with the futures market operating on the weaker side. Following the afternoon session, the spot market followed suit in a downward trajectory. Dealers' quotations decreased by 20-30 yuan compared to the previous day. Market sentiment remained moderate, while transaction activity was relatively satisfactory. Currently, the mainstream quotation for calcium carbide-based PVC Type 5 is in the range of 4,580-4,630 yuan per ton.