ShiJiaZhuang GuYu Chemicals Co.,Ltd was established in 1998, which is located in Hebei Province of China,near the Chinese top famous sea port cities named Tianjin and Qingdao.we possess two factories who specializing in manufacturing phosphate and  water treatment  chemicals  .Our products are manufactured under strict observation of the Chinese National Standards(GB).The annual productivity is over 36,000 tons.We&...