... useful non-crytalline Sichuan Honghui Technology Co.,Ltd. provides natural mineral Kieselguhr earth powder in Sichuan, China.We devotes ... Catalyst, Pesticide, Fertilizer; Used to Heat Preservation Material, Metallurgy, Centrifugal, Ductile Pipe, Paint model, Precise Casting Pipe; ... The Wide Applications of the Chinese natural diatomaceous earth powder:1 .Activated silica asphalt modifier used for road ...