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custom manufacturing zinc die casting accessories.from china ningbo die casting plant . molds core with H13. mirror polishing and chrome plating zinc products. testing by Spectrometer,coating thickness,Salt spray,CMM.
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 custom manufacturing zinc die casting accessories.from china ningbo die casting plant . molds core with H13. mirror polishing and chrome plating zinc products. testing by Spectrometer,coating thickness,Salt spray,CMM.