Ky Thuat Cong Nghiep Rotek Joint Stock Company Address: 4th Floor, Times Tower - Hacc1 Complex Building, No 35, Le Van Luong Street, Phuong, Thanh Xuan District, Ha Noi City Enterprise code: 0111268549 Phone: 0975231256 Representative: Nguyen Huu Cong Ha Noi CityFounding date: 30 - 10 - 2025