So Tai Nguyen Va Moi Truong Address: Hong Ha Ward, Ha Long City, Quang Ninh Province Enterprise code: 5700391816 Phone: 02143835641 Adress: Hamlet 3, Nguyen Xa Commune, Dong Hung District, Thai Binh Province Hong Ha Ward, Ha Long City, Quang Ninh ProvinceFounding date: 20 - 6 - 2002