Mong Son Joint Stock Company is the leading manufacturer and exporter of high quality calcium carbonate powder, chips and lumps in Vietnam. We own MongSon calcium carbonate mine at Yen Bai province, Vietnam. We have a grinding plant at Southern Industrial Zone of Yen Bai provine as well as investment in three other plants in Thuy Van industrial zone, Viet Tri City, Vietnam (those are Phu Tho NanoTech Jsc., Tue Lam Construction and Import & Export Jsc., Vietnam Quartz Jsc.,) with capacity over 30...