Phat Trien Khoa Hoc Cong Nghe Rong Vang LTD Address: C7 Nguyen Oanh, Ward 17, Go Vap District, Ho Chi Minh City Enterprise code: 0312011423 Phone: 01222936789; 0772936789 Representative: Le Thi Thanh Sang Adress: 271 Hamlet 4, Phuoc Loi Commune, Ben Luc District, Long An Province Ward 17, Go Vap District, Ho Chi Minh CityFounding date: 18 - 10 - 2012