主营：树脂金刚石砂轮; 青铜金刚石砂轮; 烧结金刚石砂轮; CBN砂轮; 钎焊金刚石砂轮; 树脂金刚石切割片; 青铜金刚石切割片; 烧结金刚石切割片; 钎焊金刚石切割片; 树脂CBN锯片; 烧结CBN切割片; 钎焊CBN切割片;