Request a survey
Leave your name and phone or Zalo number. TTK will call back during working hours to schedule a roof survey and load metering.
Direct contact
Mr. Minh An
Head office: No. 2, Lot 1C, Trung Yen 11B Street, Trung Yen Urban Area, Yen Hoa Ward, Cau Giay District, Hanoi
Representative office: Ninh Binh