Grentech LTD Address: A6 Khu Nha O Thuong Mai Thuan Viet, No 319 Ly Thuong Kiet, Ward 15, District 11, Ho Chi Minh City Enterprise code: 0312055477 Phone: 02862650688 Representative: Tran Van Chung Ward 15, District 11, Ho Chi Minh CityFounding date: 17 - 11 - 2012