On May 24, the price of PVC in Dezhou Shihua Electric Stone was stable. Type 7 of the calcium carbide method was subject to self-withdrawal of 5850 yuan/ton, and Type 8 was subject to self-withdrawal of 5850 yuan/ton. The spot price was 50 yuan/ton lower. Dezhou Shihua's 400,000-ton PVC plant is not running high.