Quan Su Ai Joint Stock Company Address: G Floor, No 63a Nam Ky Khoi Nghia, Ben Thanh Ward, District 1, Ho Chi Minh City Enterprise code: 0319476925 Phone: 0969417337 Representative: Do Minh Phuong Ben Thanh Ward, District 1, Ho Chi Minh CityFounding date: 2 - 4 - 2026