Zhejiang Joytech 2021 bita na 85th CMEF
A ranar 13 ga watan Oktoba, a birnin Shenzhen na Shenzhen International Convention and Exhibition Center (Baoan District) ya gudanar da gagarumin bikin baje kolin kayayyakin kiwon lafiya na kasa da kasa na kasar Sin (CMEF) na 85 (CMEF) ', baje kolin...