Txhim kho kho cov neeg laus daim ntawv-[N-Methylol Acrylamide 98%] Daim ntawv, raws li tus neeg nqa khoom tseem ceeb ntawm daim ntawv kab lis kev cai relics, yog cov khoom muaj nqis ntawm tib neeg kev vam meej, qub thiab sau keeb kwm, kab lis kev cai thiab sab ntsuj plig kev vam meej ntawm Suav teb. ,vim disrepair, natural aging, mo...
Nyeem ntxiv