1 sentence for 金刚 (jīn​gāng — diamond)

1. 这台高速切割机安装了金刚磨头，非常坚硬。

   zhè tái gāo​sù qiē​gē​jī ān​zhuāng le jīn​gāng mó​tóu, fēi​cháng jiān​yìng.

   This high-speed cutting machine is equipped with a diamond grinding head, which is extremely hard.

   Source: Dong Chinese Dictionary