采用金刚石涂层，配合先进工艺获得更佳的涂层附着性.
先进的研磨工艺确保在超长有效径内，保证超高同轴度， 耐高温、耐磨损.
Using diamond coating, with advanced technology to obtain better coating adhesion;
Advanced grinding technology to ensure that the ultra-long effective diameter, to ensure ultra-high coaxiality, high temperature resistance, wear resistance.
龙星刀具
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