Colourful Znplated with thick film passivated Cr(lll) on the surface of steel mounthing rail make it much anti-corroded and RoHs conformed.

• 尺寸十分精确，公差范围小，表面处理细致，钢导轨表面镀锌，此镀锌层又经三价格五彩钝化处理，耐腐蚀，符合欧洲环保要求。