Laga soo bilaabo Sebtembar 10 illaa 12, 2021, Bandhigga Tiknoolajiyada Caanaha ee Shiinaha ee 2021 (International) ayaa si weyn loogu qabtay Hangzhou International Expo Center, taasoo soo jiidatay tiro badan oo soo booqdayaal xirfadlayaal ah oo adduunka oo dhan ah. Bandhigan ayaa ka kooban dhismaha daaqa, alaabta ceeriin ee caanaha, walxaha, habka...
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