Tags Vietconstech Vietconstech 2014 to open in Ha Noi Wednesday, Dec 10, 2014 Vietconstech will take place at the VietNam Exhibition & Fair Center in Ha Noi from December 10 to 13. Vietconstech 2014 opens in Ha Noi Tuesday, Dec 09, 2014 The International Exhibition of Construction Technology (Vietconstech 2014) opens here today. Ha Noi to host Vietconstech in December Friday, Jul 11, 2014 Ha Noi will host Vietconstech in December.