May 9 – On May 9, Shandong Lihuayi's sulfur unit operated normally, with industrial sulfur quoted at 7,000 RMB/ton and liquid sulfur quoted at 7,000 RMB/ton, both up 200 RMB/ton. Chempricehub's analysis of sulfur gives a bullish-bearish rating of 1. As a key domestic sulfur producer, Shandong Lihuayi's price increases of 200 RMB/ton for both industrial and liquid sulfur have boosted sentiment in the regional spot sulfur market, supporting the upward price trend.