Sib qhia tus nqi ua lag luam sib txawv ntawm phthalic anhydride
Lub lim tiam no, tus nqi ntawm phthal anhydride tau poob qis los ntawm ntau li ntau tau $ 70, qhia tau tias poob sai. Tam sim no, tsis muaj npe ntawm ib qho kev thim rov qab nyob rau hauv qis dua. Peb yuav txuas ntxiv saib xyuas qhov teeb meem lub lim tiam tom ntej. Ib qho ntxiv, peb xav nug yog tias koj lub tuam txhab muaj cov khoom lus nug xav tau.
Xav tias dawb kom ncav tes rau cov ntaub ntawv ntxiv lossis nug!
Whatsapp: +86 18698602699
#Tub #khiavustry # phthalic anhydride
