Y Khoa Sai Thanh Joint Stock Company Address: 31, 33 Pham Huu Chi, Ward 12, District 5, Ho Chi Minh City Enterprise code: 0305745198 Phone: 02839561441 Representative: Pham Hoang Phiet Adress: 34F Tran Khanh Du, Tan Dinh Ward, District 1, Ho Chi Minh City Ward 12, District 5, Ho Chi Minh CityFounding date: 6 - 6 - 2008