Dyestuff: anthraquinone, black ferric oxide, indigo blue pigment, butyric acid, titanium hydroxide, zinc sulfide, all kinds of intermediate of azo dye-stuff.

• 染料：蒽醌、黑色氧化铁、靛兰颜料、丁酸、氢氧化钛、硫化锌、各种偶氮染料中间体。