镀铬

It has vanguard technology of friction welding and chroming and so on.

具磨擦焊接和镀等先进生产工艺。

Some common troubles such as poor throwing power,burnt deposit on rim,dull gray coating,piebaldism,blue film,hazy deposit,spongy surface and roughness in decorative chromium plating were summarized.

介绍了装饰性镀见的质量故障:镀能力差、边角易烧焦、层暗灰、花斑、蓝膜、雾状、麻面和粗糙等。