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High Purity Cylindrical 95 Al2O3 Ceramic Corundum Alumina Crucible for Metal Melting in Laboratory, Find Details and Price about Alsint Crucible C799 Aluminium Oxide Crucible from High Purity Cylindrical 95 Al2O3 Ceramic Corundum Alumina Crucible for Metal Melting in Laboratory - Shanghai Gongtao Ceramics Co., Ltd.