Zibo Jianhua Building Materials Co., Ltd is a manufacturer of concrete admixtures in China,was established in 2003 in Zibo City.Our history can be dated back to village collective factory in 1993.Our factory specializes in concrete admixture research,manufacturing,and distribution. We mainly produce high range water reducers,and other concrete admixtures,such as:retarders,accelerators,anti-freezing,air entraining and defoamer products. Zibo Jianhua can provide professional services of technolog