Good day to all of you! i am amada from huu nghi company in vietnam. Our company is leading producer of industrial mineral. Our prestige has been well recognized not only in domestic market but also in many parts of the world such as: india, bangladesh, korea, england, mauritius¦with experience of more than 30 years, we commit to bring you all what you need with highest satisfaction.Our product is of high whiteness . Our caco3 powder was exploited from yenbai, vietnam - the mines here are considered as the best source of calcium carbonate in asia. So that, you can totally believe in the quality. In addition, we can supply caco3 powder at the cheapest prices. I would like to introduce our product with specifications as below for your reference: * physical analysis: -whiteness: 97% min -brightness: 96% min -hardness: 3 moh -moisture: 0.2% -oil absorption: 24g/100g caco3 -ph: 8 - 9 chemical analysis: -caco3: 98, 5% min -fe2o3: 0, 02% max -mgo: 0, 08% max -sio2: 0, 08% max -al2o3: 0, 3% max others information: -packing: by pp bags 25kg, jumbo -payment terms: lc at sight, tt in advance -moq: 26mt/20dc container best regards,