(1) The golden color is coated with TiN and ZrN coatings on the tool. TiN is the first generation of widely used hard layer materials.
(2) The black ones are coated with TiC and CrN coatings on
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Yiwu Evershining Lighting Co., Limited: The most professional manufacturer of multicolor handmade glass turkish mosaic lamp, moroccan lamp & tiffany lamp.
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