I am Grace in china. We are a chinese chemical company. We mainly produce super fine zirconium silicate: The white powder. and It passed ISO 9001:2000. Component: zr>64%. Fe<0.09. Ti<0.12. The fineness is 1.0um. Packaging: 40KG/paper bag. the pigment is 15000ton/year. And the raw materials (zircon sand )is import from Australia, So the quality is very high! And the price is very reasonable.