Trung Tam Ky Thuat Dia Chinh Address: KM 90, 18a Highway, Dong Mai Ward, Quang Yen Town, Quang Ninh Province Enterprise code: 5700252611 Phone: 02033873499 Adress: No 127, Civil Group 21, Khu 6, Quang Trung Ward, Uong Bi City, Quang Ninh Province Dong Mai Ward, Quang Yen Town, Quang Ninh ProvinceFounding date: 29 - 12 - 1998