On February 5, the PVC market in the Linyi region experienced a slight decline. The futures market fluctuated within a narrow range, while the spot market adjusted in line with prevailing conditions. Dealers lowered their offers by 30–50 yuan, with market sentiment remaining subdued. Trading activity was moderate, with the mainstream quotation for calcium carbide-based PVC (Type 5) currently ranging between 4,800 and 4,850 yuan per ton.