99.9% AlN powder
1元
99.99%-99.9999% Bi powder
99.999% Bi2O3 powder
99.999% Bi2S3 powder
1500元
99.999% Bi2Se3 powder
99.999% Bi2Te3 powder
99.9% B2O3 powder
99.5% BN powder
99.9% B4C powder
99.9% Nd2O3 powder
99.8% ZrC powder
99.999% CeO2 powder
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