May 20 Update – On May 20, Shandong Shengfeng Chemical Co., Ltd. lowered its executing price for Dibutyl Phthalate (DBP) to 8,755 RMB/ton, a decrease of 100 RMB/ton from the previous level. According to Chempricehub's assessment on DBP, the Bull-Bear Score stands at -1. The downward price adjustment by the producer represents a moderately bearish signal for DBP spot prices, adding downward pressure on the spot market.