Yes, we are the manufacturer, we have own mines and factory in Yangshan. The department in Dongguan is only the sales office. we can delivery trial order there at any time.
2. How about your Caco3 purity?
Our average purity is about 98%, and the best purity could be done up to 99.5%. This Caco3 purity could be done in 96% to 99.5%.
3. What average size can you produce?
(1) We can do the ground calcium carbonate from 60 mesh to 10000mesh. (2) we can do the precipitated calcium carbonate from 400 mesh to 10000 mesh (3) Nanoscale is ok too, the finest size could be done to 15 nanometer.
4. How about your calcium carbonate's whiteness?
Our normal whiteness is 97%, and the best caco3 whiteness could be done up to 99.5%. This Caco3 whiteness could be done in 95% to 99.5%.
5. How to confirm the quality with us before start to produce ?
(1) You can get the free samplesafter you send an inquiry and choose from it ,then we can make the quality according to do that . (2) You can send your sample and we can make according to your sample quality. (3) You also can send us your data sheet if you have it, we can do the calcium carbonate on your sheet.