TRANG BAO Co., Ltd is a company specialized in supplying various kinds of construction products made from basalt rock. With abundant reserves stretching from quarries across central Vietnam, Trang Bao confidence brings you a diverse range of products in categories with quality standard ISO 9001, 2000 and certified QC, has since put TRANG BAO become reliable partner for customers in and abroad.The abundance of products, and techniques of advanced stone mining will bring more choices for our customers. Please contact us if you have any request