■ 陶瓷环规使用了陶瓷材料中的高强度，高韧性的氧化锆陶瓷为素材，一般的使用当中不用担心被打破。

CERARING are made of zirconia-based ceramics,which have superior hardness and toughness compared with other types of ceramic materials.They will not break or crack in ordinary applications.