Hais txog Qhuav-nias Nrog lub ntsiab zoo ntawm high-efficiency thiab me me qhov sib txawv ntawm cov khoom molding, qhuav nias yog cov txheej txheem siv dav tshaj plaws, uas yog tshwj xeeb tshaj yog haum rau cov khoom siv ceramic nrog cov thicknesses me me, xws li ceramic s ...
Nyeem ntxiv