April 3 (Reuters) - On April 3, Yangzhou Shiyou raised the price of phenol by 300 yuan to 9,800 yuan per ton (effective from March 30). It is reported that the 320,000-ton-per-year phenol-ketone unit is operating normally, with shipments primarily under contract and inventory levels remaining low. For real-time price adjustment information, please follow the official WeChat account "".