Ky Thuat Hiep Thanh Joint Stock Company Address: 139/6 Nguyen Cu Trinh, Cau Ong Lanh Ward, District 1, Ho Chi Minh City Enterprise code: 0319495251 Phone: 0903083745 Representative: Nguyen Minh Tan Cau Ong Lanh Ward, District 1, Ho Chi Minh CityFounding date: 10 - 4 - 2026