Hoang Long Address: 51, Kim Dong Street, Hop Giang Ward, Cao Bang City, Cao Bang Province Enterprise code: 4800130492 Phone: 0206852477 Representative: Hoang Duc Tri Adress: 51, Kim Dong Street, Hop Giang Ward, Cao Bang City, Cao Bang Province Founding date: 11 - 2 - 1999