燈殼表面磷(lin)化處理,去除銹跡,灰塵(chen),油(you)污,形成強吸附力抗(kang)腐蝕的“磷(lin)化層”,有利於噴(pen)涂顏料粉末的吸附。

Phosphating the surface of the shell,remove the dust,oil stain and rust from the stock to forma layer of
phosphate which make the lamp surface easy to adsorb the painted color powder.