Khoan Gieng Duy Hoang LTD Address: 227 Le Duc Tho, Ward 17, Go Vap District, Ho Chi Minh City Enterprise code: 0314673944 Phone: 0902258928 Representative: Nguyen Duy Chan Ward 17, Go Vap District, Ho Chi Minh CityFounding date: 12 - 10 - 2017