Dub Cardboard Ntawv Hnab

Nws yog daim ntawv tshwj xeeb nrog ob mog dub. Daim npav xim dub yog tus cwj pwm los ntawm cov ntawv zoo, dub dhau ntawm lub siab, muaj zog thiab tuab, zoo folding tsis kam, du thiab du nto, txhav zoo, zoo tensile zog, thiab siab tawg kuj. Cov tuab tuab tuab yog los ntawm 120 grams txog 350 grams ntawm daim npav dub. Vim tias daim npav xim dub yog xim dub sab hauv thiab sab nraud, nws tseem tsis tuaj yeem luam cov qauv xim, tsuas yog haum rau kub ntawv nyiaj, ntawv nyiaj thiab lwm cov txheej txheem. Lub hnab ua kuj zoo nkauj heev.