Epoch Master® Epoch master is a Industrial Grade Sodium Carbonate Dense Soda Ash manufacturer and supplier in China. We have been specialized in chemical formula sodium carbonate for many years. sodium carbonate neutralize acid and acid with sodium carbonate have a good price advantage in the most of the European and American markets. Due to the sodium carbonate dissolve in water ,widely used for the medical,mineral processing,Food additive field.any question,please feel free to contact sales01@epoch-master.com,we will reply you within 1 working day.We look forward to becoming your long-term partner in China.