Mong Son Jsc., is a leading company in mining, manufacture, exporting calcium carbonate/ calcite powder based in Vietnam. Limestone raw material exploit from Mong Son mine which is under management and exploitation of Mong Son Jsc., (Mining license no. 2010/GP/BTNMT by Ministry of Natural Resources and Environment of Vietnam)Mong Son limestone mine is rated the best quality and the largest reserves in Vietnam as well as Southeast Asia with area 20 hectares, reserves around 10 million tons. Mong Son's calcium carbonate powder has the best quality with CaCO3 content over 98%, purest, whitest, less abrasive limestone. Chemical composition and physical properties of Mong Son GCC powder in accordance with the requirements of various industries such as Paints, Plastics, Paper Color/Black Master batches, Adhesives, Rubber, PVC Cables, PP compounds, PVS/Plastics and so on. Mong Son's manufacturing facilities (2 factories) are located in Southern Industrial zone, Yen Bai province (GCC powder) and Thuy Van industrial zone, Phu Tho province Vietnam (WGCC), install production capacity of 150,000 Mt/ annum.The company committed to ensuring the purest raw material, the most modern technologies in its production processing and has received International Standard Organization (ISO) 9001:2008 accreditation for all its manufacturing facilities.MONG SON only warranty for our brand name code: "MSH" and "MSHA" with the tails is number to classify each grade base on particles size of calcium carbonate/ calcite powder.