Lub sijhawm tshaj tawm: Lub Kaum Ob Hlis-08-2022
Tsab xov xwm qhov chaw: Zhenhua lub tshuab nqus tsev
Nyeem: 10
Luam tawm: 22-12-08
2. Cov yeeb yaj kiab uas tsis muaj zog nano inorganic non-metallic, nws txoj kev npaj thiab cov khoom siv nqus tsev winding coating
Lub sijhawm tshaj tawm: Lub Kaum Ob Hlis-08-2022