Cay Son LTD Address: No 135, Nghi Tam Street, Yen Phu Ward, Tay Ho District, Ha Noi City Enterprise code: 0101596011 Phone: 0247194745 Representative: Nguyen Thi Thu Huong Adress: No 201 A1 Hao Nam, O Cho Dua Ward, Dong Da District, Ha Noi City Yen Phu Ward, Tay Ho District, Ha Noi CityFounding date: 14 - 1 - 2005