April 21 — Recently, the 300,000-ton-per-year propylene oxide unit at the second phase of Zhenhai Base successfully completed its trial run with material feeding on the first attempt, smoothly producing qualified propylene oxide products. Chempricehub analysis of propylene oxide, long-short rating: -1. The successful trial run and production of qualified products from the 300,000-ton-per-year propylene oxide unit at the second phase of Zhenhai Base have significantly increased market supply. Against the backdrop of relatively stable demand, the increase in supply may put downward pressure on spot prices, exerting a generally bearish influence on prices.