Post lub sij hawm: Dec-08-2022
Qhov chaw: Zhenhua nqus tsev
Nyeem: 10
Luam tawm: 22-12-08
2.High barrier nano inorganic non-metallic zaj duab xis, nws txoj kev npaj thiab lub tshuab nqus tsev winding txheej
Post lub sij hawm: Dec-08-2022