CHALCO ZHONGZHOU ADVANCED MATERIAL CO.,LTD is situated in Xiuwu county of Jiaozuo area of He'nan province. During the continuous development of the enterprise, Zhongzhou company also devotes to the research and development of aluminum hydroxide (chemical grades).The company adopts sinter method to produce aluminum hydroxide which is low iron and high brightness. The techniques level leads first in domestic and it also has reached the advanced international level. The product is known as which w...