2021/8/21 Sulphur black manufacturer : sulphur blcak price rising ! Share EmailTwitterFacebookGoogle +PinterestTumblrLinkedinVkontakte There is a shortage of chlorinated benzene, a shortage of nitric acid, and a shortage of dinitrochlorobenzene, and prices have risen sharply It will last a long time. sulphur black will shortage of supply 2022/1/11 Sulphur black 硫化黑 sulphur black