We are the leading manufacturer of high quality calcium carbonate of both coated and uncoated grades and plastic compounds. Quality Minerals Public Co., Ltd. combines our extensive experience and knowledge in the plastic industry with expertise in calcium carbonate manufacturing to produce various types of plastic compound. Our calcium masterbatch contains high concentration of calcium carbonate with excellent whiteness based on polyolefin resins. We also produce white TiO2 masterbatch which contains premium quality titanium dioxide with polyolefin carrier resins. We are able to tailor the grade of shipments to meet the needs of customers both in terms of specification and packaging.