Vat Tu Ky Thuat An Son LTD Address: TA Ngoai 1 (Tai NHA ONG Nguyen VAN THEM), Vinh Hoa Commune, Hai Phong City, Viet Nam, Hai Phong City Enterprise code: 0202338634 Phone: 0866857658; Representative: Nguyen Van Them Vinh Bao District, Hai Phong CityFounding date: 3 - 3 - 2026