Zhongchang anodized aluminium indasitiri mbiri, iyo iwe yausingakwanise kuwana mitsara yemuchina pamusoro peiyo yakanaka yakanaka sandblasting kugadzirisa. Iyo yepamusoro haigone kukweshwa neanodizing ukobvu pakati pe10 ne13 μm. Madiki mavanga anogona kubviswa nyore. Nekudaro, zvimwe zvigadzirwa zveprofile zvine ruvara rwakafanana pamusika zvinogona kukuvadzwa zviri nyore nekuda kwehukukutu hudiki, uye zvakare zvinonetsa kubvisa mavanga pane yavo.