On February 3rd, Shandong Lutai's PVC plant operated at reduced capacity, with an operating rate below approximately 40%. The quoted prices are as follows: calcium carbide-based SG-5 ex-factory price is 4,760 yuan/ton, while SG-8 type is temporarily not quoted. The manufacturer's PVC production capacity is 370,000 tons. PriceSeek analysis of PVC, Bull-Bear Score: 1. The article notes that Shandong Lutai's PVC plant is operating at reduced capacity, with an operating rate below 40%, which may lead to a decrease in supply. The manufacturer's capacity is 370,000 tons, and the contraction in supply could drive up spot prices. However, with only one manufacturer experiencing changes, the overall market impact is limited, assessed as a moderate positive.