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  • Epoch Master® As a Basic chemical industry CAS 7783-20-2 supplier and manufacturer, Epoch master Ammonium Sulphate has been supplying and exporting Molecular Formula (NH4)2SO4 from China for almost 10 years, please be assured to buy Molecular Weight 132.14 at Epoch master. Any inquiries and problems please feel free to send emails to us via , we will reply you within 1 working day.

  • Epoch Master® is a large-scale Sodium Metabisulfite manufacturer and supplier in China. We have been specialized in chemical industry for many years. Our products have a good price advantage and cover most of the European and American markets. We look forward to becoming your long-term partner in China.