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Intaglio engraving with 50w CO2 laser machine This kind of machine can work most non-metal materials. If you want a machine like this please tell me your detailed requirement such as max size, engraving depth, material, etc. instantlxgmail Skype: instantlx UCN3EDBD5Z1WcNf8sT_Jjv_A laser engraving for #laser #engraving #intaglioChina #laser #machine