Stainless steel column, no spark cutter, scraper to be strengthen development, master some of the coal mining equipment spare parts re-manufacturing technology with a strong production capacity.

不锈钢立柱、无火花截齿、刮板机整体强化等产品研发，掌握了部分煤矿设备零部件的再制造技术，具备了较强的生产能力。

youdao

Stainless steel column, no spark cutter, scraper to be strengthen development, master some of the coal mining equipment spare parts re-manufacturing technology with a strong production capacity.

不锈钢立柱、无火花截齿、刮板机整体强化等产品研发，掌握了部分煤矿设备零部件的再制造技术，具备了较强的生产能力。

youdao