This is Kavin,sales manager from S.N.G Chemical China which established in 2005. Our products range as below: -Nano Precipitated Calcium Carbonate -Calcium hydroxide -Calcium oxide Include Pharmaceutical grade,Industrial grade,Toothpaste grade,Food grade. With over 10years experience we supply customers the first-class quality with the lowest price. Mostly export to North America, Australia, South-east Aisa countries etc. Welcome for your inquiry! Regards Kavin wan Manager - Export Depart. T: +86 18668572585 | +86 574 28865587 Website : www.sngchemical.com Skype:kavinwan1984 Address: No.228 | Rili Road |South Business Area | Yinzhou |Ningbo| Zhejiang l China l Post | – 315 000