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http://www.associatedceramics.com/alumina.htm

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http://www.alibaba.com/showroom/ceramic_alumina.html

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http://www.tradett.com/Alumina-Ceramic-products/

http://www.astromet.com/alumina-amalox87.htm

http://www.blaschceramics.com/products/index.cfm

http://www.eitrade.com/ks-Alumina-Ceramic

http://www.graphitestore.com/stores.asp/cat_id/48

http://www.mkceramics.com/

http://www.marketech-ceramics.com/index.html