Dich Vu Ky Thuat Hoang Tam Joint Stock Company Address: No 891, Street 30/4, Ward 11, Vung Tau City, Ba Ria Vung Tau Province Enterprise code: 3502312689 Phone: 0913646809 Representative: Vuong Khai Tan Adress: No 568D Binh Gia, Nguyen An Ninh Ward, Vung Tau City, Ba Ria Vung Tau Province Ward 11, Vung Tau City, Ba Ria Vung Tau ProvinceFounding date: 28 - 7 - 2016