Changzhou Zhengda Super Powder Chemical Co., Ltdis founded in 1995. We specialize in Synthetic Anthraquinone Powder and Super Anthraquinone Powder(Micronized Anthraquinone Powder)(Average Particle Size: D50<=0.5 um, D90<=6 um) and Dispersed Anthraquinone Powder(DAQ) and Anthraquinone Slurry(Anthraquinone Liquid) making with good quality and low price. The output is 5000 ton per year. Mostly product are exported to North America, South America, Europe, Africa, India and South-East Asia regions etc.

Our Anthraquinone has been widely used in pulp and paper industry and dyestuffs and water treatment, especially in North America and South America. The quality is welcomed by domestic and foreign customers.

Main product:

(1) Super Anthraquinone Powder (Micronized Anthraquinone)

(2) Dispersed Anthraquinone Powder (DAQ)

(3) Anthraquinone Slurry (Anthraquinone Liquid)

Our AQ product is a Digester Cooking Pulping Aid, it improves the rate of penetration of the cooking liquor into wood chips, non-woods grasses and fiber material. It accelerates delignification and stabilizes carbohydrates.

This combination of activities results one or more of the following:

(1)solvings of active alkali

(2)lowering of cooking temperature

(3)shortening of cooking time

(4)production of low kappa number pulp

(5)lowering of cooking sulfidity

(6)improvement of yield

(7)increased pulp strength properties