Re ile ra ea kopanong ea The 29th Shanghai International Ad & Sign Technology Technology & Thepa Lipontšo. E neng e tšoaretsoe Shanghai, ho tloha ka la 21 Phupu ho isa la 24, 2021. Nomoro ea rona ea lephephe ke 4.1H-TA1403.
Nako ea poso: Jul-28-2021