Sodium carbonate is sodium salt of carbonic acid. It commonly occurs as white, tasteless, soluble powder. It is used in the manufacture of glass, soap, and detergent, and also widely applied in petro-chemical, paper making and textile industries.
       Presently Koyo produces food additives soda ash and general industrial soda ash up to national standards established by General Administration of Quality Supervision, Inspection and Quarantine of P.R.C.
       The product is sold under the brand name of “Hu Hui”, which is packed at the weight of 40 kg or 50 kg.