Sup Yas Txoj Kev Tshuab

Kev Tshawb Fawb Txog Kev Tshawb Fawb thiab Kev Tsim Kho CNC Cov Khoom Siv Hluav Taws Xob Zoo Tshaj Plaws, Ua Haujlwm Rau Cov Khoom Siv Cua Txias thiab Cov Neeg Siv Hluav Taws Xob Siv tau superplastic kev ua haujlwm thev naus laus zis thiab cov cuab yeej ua tiav.