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Puas tau xav paub tias cov yas cov ntaub ntawv ua li cas cov tais , vaj huam sib luag, lossis pob khoom? Nws pib nrog cov txheej txheem hu ua thermoforming. PVC yog ib qho ntawm cov kev xaiv saum toj kawg nkaus rau qhov no. Nws muaj zog, muaj kev nyab xeeb, thiab yooj yim rau kev ua duab. Hauv tsab ntawv no, koj yuav kawm txog PVC thermoforming yog dab tsi, vim li cas nws thiaj siv, thiab cov kev coj ua zoo tshaj plaws.