Cty TNHH Phat Trien Phan Mem Kien Thuc Address: 123 Truong Dinh, Ward 07, District 3, Ho Chi Minh City Enterprise code: 0301817349 Phone: 0289321028 Representative: Vo Yen Xuan Adress: C2/20 Ap 3 X.Le Minh Xuan, Binh Chanh District, Ho Chi Minh City District 3, Ho Chi Minh CityFounding date: 7 - 10 - 1999