Zhenhai Refining and Chemical (Sinopec East China) has a PP production capacity of 800,000 tons per year and three sets of units. The current load on the entire line is normal. The commissioning of the new fourth line has been postponed until June, and the first line is planned for maintenance on June 5. The factory reference price of fiber material Z30S was lowered, down 50 yuan to 7400 yuan/ton. The spot prices of merchants follow the market, and trading is acceptable.