April 28 - Sinopec South China Company's listed price for xylene on April 28: Guangzhou Petrochemical isomer at 7,200 RMB/ton, Maoming Petrochemical isomer at 7,200 RMB/ton, Zhongke Refining & Chemical isomer at 7,200 RMB/ton. The partial recovery of refined oil export quotas, coupled with improved external arbitrage margins, has led to a tight overall supply of domestic goods, providing strong support to the market. International crude oil prices have steadily risen, solidifying cost support while significantly boosting trading sentiment in the market. Driven by multiple bullish factors, the prices of toluene and xylene trended upward with volatility in the previous trading session, and the short-term market sentiment remains strong. It is expected that prices will continue to rise in a fluctuating manner in the near future.