Yen Yen LTD Address: No 17, Ho Dac Di Street, Nam Dong Ward, Dong Da District, Ha Noi City Enterprise code: 0103593760 Phone: 0983536918 Representative: Nguyen Ngoc Yen Adress: No 23, Civil Group 6, Khoi Ga, Yen Vien Town, Gia Lam District, Ha Noi City Nam Dong Ward, Dong Da District, Ha Noi CityFounding date: 18 - 3 - 2009