On March 29, the price of DBP raw material n-butanol rebounded, the market of phthalic anhydride stabilized, the price of octanol rebounded and rose, and the DBP raw material cost rose, but the construction of Envo Chemical Industry co. and ltd equipment was still not affected, the DBP supply was stable, the PVC price shock stabilized, and the downstream demand was stable.Plasticizer DBP market rising power to increase the downward pressure weakened, the transaction price is also gradually increasing.Envo will still be with high quality DBP transaction, to win by quality.