Thuong Mai Tong Hop Thach An Cao Bang Joint Stock Company Address: Dong Khe Town, Thach An District, Cao Bang Province Enterprise code: 4800129200 Phone: 02063840124 Representative: Tran Ngoc Thach Adress: O 10, Lot 12, Den Lu, Hoang Van Thu Ward, Hoang Mai District, Ha Noi City Dong Khe Town, Thach An District, Cao Bang ProvinceFounding date: 7 - 10 - 1998