Hanoi Partner Support Office. In order to best support the Hanoi market, we have opened a Partner support office at the Eurowindow Multicomplex building at 27 Tran Duy Hung, Trung Hoa, Cau Giay, Hanoi. All partners can use it to work, meet, train, receive potential partners,... Wishing our Hanoi partners great success! We will support our partners with KVBPRIME in new markets. Please Contact us.