On August 21, the price of PVC in Henan Haohua Aerospace was stable. The price of PVC for type 5 of electrical stone will not be quoted for the time being, the price of type 8 will be accepted at 5550 yuan/ton, and the price of type 3 will not be quoted for the time being. The cash exchange price will be reduced by 30 yuan/ton, and the price of tons and packages will be reduced by 20 yuan/ton. During actual transaction negotiations, the company's 400,000-ton PVC installation started normally.