polyaluminium chloride pafcs pafc calcium aluminum powder the anthracite filters the material quartz sand filter material magnetite filter material natural gravel activated carbon polyscrylamide	gongyi city yuquan purification materials ltd. all rights reserved  sales contact：mr.li handset：13849064233 tel：0371-64108882 fax：0371-64108883 after-sales service telephone： 0371-64138098 fax：0371-64138188 address：eight industrial park mausoleum  gongyi city zip：451252 website：www.hnyuquan.com mail：yuquan@hnyuquan.com
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