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Cov hau npog polypropylene
Cov hau ntswj polypropylene (PP) yog cov khoom siv kaw ruaj khov thiab siv tau ntau yam tsim tshwj xeeb rau ntau yam kev ntim khoom. Ua los ntawm cov khoom siv polypropylene ruaj khov, cov hau no muab kev sib khi ruaj khov thiab tiv taus tshuaj lom neeg, ua kom ntseeg tau tias koj cov kua lossis tshuaj lom neeg nyob ruaj khov.
