coated yas ntshiab ntswv iav tshab tshab iav hloov polycarbonate pab pawg rau txhua yam vov tsev

Cov txheej txheej yas ntshiab pob tshab iav hloov polycarbonate cov khoom siv yas, los ntawm cov khoom siv roj hmab tshiab, los ntawm kev ua haujlwm zoo nkauj Peb zoo tag nrho rau txhua qhov nthuav dav yas cov khoom siv pob tshab rau txhua hom vov tsev , lav cov khoom tau zoo, yog li coj koj cov khoom zoo meej. Hloov iav HSQY yog cov kws tshaj lij cov khoom siv yas ua kom pom cov hnab ntim khoom zoo nkauj Polycarbonate pawg thawj coj ntawm txhua hom vov tsev