... Honghui Technology Co.,Ltd. provides natural mineral Kieselguhr earth powder in Sichuan, China.We devotes to ore mining, manufacturing ... Al2O3,Fe2O3,CaO,MgO, K2O,Na2O,P2O5 and other organic materials.Our advantages1. Our purify way: International advanced technology ... . The Wide Applications of the Chinese natural diatomaceous earth powder:1 .Activated silica asphalt modifier used for road construction ...