We are one of the leading Vietnamese producer and exporter of CaCo3 Filler for plastic industry with trademark of CALMAST (Calcium Carbonate Masterbatch). We owned 5 production lines with its productivity is *0,**0 tones per year. Besides, our products always has a huge advantage of competition due to taking the initiative in material resources and being applied modern technologies. Our range of products could meets various kind of plastic application with reasonable prices.