1, first of all, the sheet metal technicians will box surface polishing and leveling well2, water washing, phosphate pickling, after washing the box drying, drying looks very clean will have a layer of protective film.3,In the assembly line with tools such as gas pipe to do the final surface impurities cleaning.4, and then the charging pile shell into the spray paint room first spray a layer of...
Arabic
Français
Español
Português
Deutsch
Türkçe
Dutch
Italiano
Russian
Romaian