Sdaawaynta dusha sare ee alaabta kala duwan ee ay soo saartoQalabka Chengshuowarshad.Midka ugu horreeya waa wax-soo-saarkayaga isku-dhafka ah iyo habaynta alaabta aluminiumka,aka dib wax soo saarka saxda ah ,anodized alaabta madow, oo ay ku jiraan gudaha daloollada.Looxa aluminiumka cas ee soo socda, marka loo eego lambarka midabka Pantone, we sameeyey oksidation iyo ciid qurux badan .Qalabka aluminium ee saddexaad macmiilku wuxuu u baahan yahay midabyo kala duwan dhinaca iyo hore, acalaamada gaarka ah ee dded iyo qaabka alaabta.Alaabtii afraad ee birta ah waxaanu samaynay madmadowga elektrophoretic, fama badeecooyin kale, habeeyaan habka iyadoo loo eegayo baahida macaamiisha ee warshado kala duwan.