Nta ntawm OPP Hnab

OPP hnab yog tus cwj pwm los ntawm cov pob tshab siab thiab cov txheeb ze brittleness. Lawv yog tsim los ntawm folding ib daim ntawm OPP ntaub nyob rau hauv ib nrab, sealing ob sab, thiab txuas tus kheej - nplaum strip rau lub flap. Txhawm rau siv, tsuas yog ntxig cov khoom, tshem tawm cov yeeb yaj kiab tiv thaiv los ntawm lub foob, quav lub flap hauv ib nrab dua, thiab ruaj ntseg. Lawv yooj yim, zoo nkauj, thiab siv dav hauv cov khaub ncaws, zaub mov, luam ntawv, ntawv sau, tshuaj pleev ib ce, thiab ntawv lag luam. Ntau yam qauv tuaj yeem luam tawm ntawm lawv, thiab npauj npaim lossis lub dav hlau qhov tuaj yeem ntxiv raws li cov neeg siv khoom xav tau.