Bao Linh Stone Co., is mainly involved in the manufacture and trading of Vietnam mineral like Caco3, Antimony, Irons, Barite powder. The products manufactured are sold Locally as well as exported to Canada, Singapore, Taiwan, Korea, Japan, USA and Australia.....Especially, we are produce very big volume of Caco3 powder with typical specification as below:Chip form:From 3,5,8 mm to 40mmFrom:40mm to 80mmPowder form: Coated and UncoatedMeansize Top Cut Micron1. D2:1.8+/-0.3 14+/-3.02. D3:2.7+/-0.3 23+/-3.03. D4:3.7+/-0.3 28+/-3.0Physical PropertiesDry Whiteness: >98%Moisture content: <0.20%Ph:9.5+/-0.5Specification can be modified to meet cstomer&#39;s requirements.Some picture attach for your ref.We are looking forward to your soon corporations.