The best choice for you with vietnamese calcium carbonate powder with coated powder, uncoated powder, granule and white limestone lump as per customerâ??s demand at mong son factory- yen bai, hai phong port.
Our own mine locates at mong son province (called mong son valley) with the calcium carbonate content more than 98% which being considered as the best quality of raw materials. Quality control process is strictly ensured from selecting incoming material to check out-going finished products by most modern testing equipment in the world.
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