Ky Thuat Cong Nghiep GZH LTD Address: 14th Floor, Viet A Building, No 9, Duy Tan Street, Phuong, Cau Giay District, Ha Noi City Enterprise code: 0111188702 Phone: 0904060904 Representative: Nguyen Thanh Tam Ha Noi CityFounding date: 23 - 8 - 2025