Khoa Van Long Joint Stock Company Address: La Thanh Street, Phu Thinh Ward, Phu Thinh Ward, Son Tay Town, Ha Noi City Enterprise code: 0500537681 Phone: 02433617678 Representative: Nguyen Ba Khoa Adress: La Thanh Street, Phu Thinh Ward, Son Tay Town, Ha Noi City Phu Thinh Ward, Son Tay Town, Ha Noi CityFounding date: 13 - 11 - 2006