QST1 LTD Address: 32/6 Nguyen Thi Bup, Civil Group 3, Quarter 11, Tan Chanh Hiep Ward, District 1, Ho Chi Minh City Enterprise code: 0317783078 Phone: 0941993593 Representative: Nguyen Phuong Ngoc Truc Tan Chanh Hiep Ward, District 12, Ho Chi Minh CityFounding date: 13 - 4 - 2023