Piezoelectric: the crystal crystal under pressure will produce electric charge;On the other hand, when the voltage is applied, the crystal vibrates at a very high frequency.The crystal has the ability to transfer the pressure and the electric charge mutually.
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Manufacture Technology:
1,Cutting material 2,Flat grinding 3,Facet,
4,digging 5,3D laser Engraving, 6,Sandblasting
7,Etched, 8,Polished, 9,Dint 10,Silk-screen, 11,Profiling, 12,Slotting,
13,Color-printing, 14,Plate making, 15,Drawbench, 16,Carved, 17,Acid-washing