Tu Van Tai Nguyen Va Moi Truong Hong Hai Joint Stock Company Address: No 51/17, Nguyen Van Cu Street, Hong Hai Ward, Ha Long City, Quang Ninh Province Enterprise code: 5701410370 Phone: 02033837280 Representative: Nguyen Van Hung Adress: Tho Hamlet, Hop Thanh Commune, My Duc District, Ha Noi City Hong Hai Ward, Ha Long City, Quang Ninh ProvinceFounding date: 21 - 6 - 2010