Grey Limstone product of VNS Vietnam Mineral Joint Stock Company was purchased from Quarry Stone in Thong Nhat Commune, Hoanh Bo District, Quang Ninh Province, Vietnam. This is the best Limstone with the highest CaO content of 54% and high purity. Chemical composition and physico- mechanical properties are suitable with the requirements of many industries such as Glass, Steel, PCC ... and as well as adhesives and fillers.
