(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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DAYA is one of the most professional brown marble manufacturers and suppliers in China. Please rest assured to buy high quality brown marble made in China here from our factory. For more cheap
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JINLIN is one of the most professional steel plate manufacturers in China, featured by quality products and good service. Please rest assured to wholesale high-grade steel plate made in China here
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