Thiet Bi Co Khi Welvatek Joint Stock Company Address: No 37, Lane 346, Vinh Hung Street, Vinh Hung Ward, Ha Noi Town, Viet Nam, Ha Noi City Enterprise code: 0111595105 Phone: 0363755958 Representative: Nguyen Thi Huong Vinh Hung Ward, Hai Ba Trung District, Ha Noi CityFounding date: 6 - 8 - 2026