Surface mankhwala osiyanasiyana zinthu zakuthupi opangidwa ndiChengshuo hardwarefakitale.Yoyamba ndi kupanga kwathu kophatikizana ndi kukonza kwa aluminiyamu,apambuyo kupanga mwatsatanetsatane ,anodized mankhwala wakuda, kuphatikizapo mkati mwa pores.Gulu lofiira lofiira la aluminiyamu, malinga ndi nambala ya mtundu wa Pantone,wadachita okosijeni komanso kuphulika kwa mchenga .Chigawo chachitatu cha aluminiyamu kasitomala amafuna mitundu yosiyanasiyana kumbali ndi kutsogolo,aanawonjezera logo mwambo ndi mankhwala chitsanzo.Chachinayi zitsulo mankhwala tinachita electrophoretic blackening,fkapena zinthu zina, sinthani ndondomekoyi malinga ndi zosowa za makasitomala m'mafakitale osiyanasiyana.