Cov txheej txheem kev tsim cov tshuab ua daus no feem ntau suav nrog peb theem: kev npaj cov khoom siv raw, molding, thiab tom qab- ua. Cov txheej txheem kev npaj raw khoom suav nrog kev ua haujlwm zoo ntawm polystyrene granules (uas yuav tsum tau nthuav dav ntawm qhov kub thiab txias kom zoo ib yam), zaj duab xis xiav (txiav thiab tuag- txiav kom ntseeg tau tias qhov ntev), thiab txhuas ntawv ci (txiav tom qab kho deg) kom ruaj khov snow blower zoo. Cov txheej txheem molding yog cov kauj ruam tseem ceeb. Polystyrene granules yog tov nrog pigments thiab rhuab kom nthuav. Qhov sib tov no yog tom qab ntawd txau ntawm kev kub ceev los ntawm cov nozzles nrog aluminium ntawv ci thiab xiav zaj duab xis (siab, kub, thiab ceev xav tau kev tswj kom meej) los tsim cov tshuab daus nrog cov tuab tuab thiab dav. Ncej- kev ua tiav suav nrog kev txiav kom ntev raws li tus qauv siv lub tshuab tuag- txiav tshuab, compression shaping, thiab thaum kawg sealing thiab ntim nrog ntau lawm cov ntaub ntawv sau npe. Cov txheej txheem no, los ntawm ntau- theem tswj kev tswj hwm (xws li granule sieving raug ± 0.1mm thiab molding kub 150-180℃), tuaj yeem txhim kho qhov ntom thiab ruaj khov ntawm cov khoom siv snow blower, ua rau lawv tsim nyog rau zaj duab xis thiab TV teeb tsim, kev xyaum tua hluav taws, thiab lwm yam xwm txheej.