On June 1, the PVC market in the Zibo area saw a slight uptick. Futures prices turned positive, while spot prices followed market trends. Compared with the previous trading day, dealers' offers increased by 20-40 yuan. The market sentiment remained subdued, and actual transactions were average. Currently, the mainstream ex-works price for Grade 5 calcium carbide-based PVC was in the range of 4,820-4,860 yuan/ton.