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zinc chrome plating clothing clasp .from chinese zinc die casting factory. molds core with H13. mirror polishing zamak chrome pvd plating process. testing by Spectrometer,coating thickness,Salt spray,CMM.
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zinc chrome plating clothing clasp .from chinese zinc die casting factory. molds core with H13. mirror polishing zamak chrome pvd plating process. testing by Spectrometer,coating thickness,Salt spray,CMM.