From(the seller): LSP
三点 测娇
The single crystal copper sample produced by the Czochralski method has beautiful concentric rings and a pink luster. This sample is small and exquisite, very interesting
From(the seller): LSP
三点 测娇
The single crystal copper sample produced by the Czochralski method has beautiful concentric rings and a pink luster. This sample is small and exquisite, very interesting
