Must do derusting and to oxidation film processing, generally use chemical polishing or electrolytic polishing.

必须先做除锈及去氧化膜处理，一般使用化学抛光或电解抛光。

Through people's long-time study, a way of no pollution is found for derusting-super high pressure jet derusting.

通过人们长期的努力摸索、研究，找到了一种无污染的除锈方法——超高压水射流除锈。

The production sodium hydride achievement treats the golden industry zinc sheet iron's derusting medicinal preparation;

生产氢化钠作为治金工业锌铁板的去锈剂；

The derusting machine can save time, enhances the working efficiency and enhances the utilization ratio of the brush discs.

能节约时间而提高除锈机的工作效率；能提高刷盘的利用率。

Derusting, oxide skin removing and surface hardening for copper castings, sheet metal, stainless steel strips, aluminum castings.

铜合金铸件，薄板、不锈钢带、铝合金铸件除锈、除氧化皮及表面强化。