Northern: 4th Floor, HUD3 Tower, 121-123 To Hieu, Nguyen Trai Ward, Ha Dong District, Hanoi City
Product Development Research Institute: 99 Hoang Ngan, Nhan Chinh ward, Thanh Xuan district, Hanoi city
Customer Care Center: LK620-N014 492 Le Trong Tan, Duong Noi Ward, Ha Dong District, Hanoi City
South: Floor 3, Zin City Building, 55 / 1B Ly Chieu Hoang, Ward 10, District 6. Ho Chi Minh City.
Japan: Japan Aichi province, Nagoya city, Tenpaku ward, Yagototendo 1008 banchi Tashiroso 203 go.
Business code: 0700818471- Date of issue: October 23, 2018. Place of issue: Business registration office - Hanoi city
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