... beautiful seaside city ,which engages in the manufacturing and marketing of Sodium sulfate , Cryolite , Soda ash , Edible alkali, Polyaluminium Chloride, ... products mainly export to North America,Asia and Europe .Our factory covers an area more than 50,000 aquare meters ,with ... (Fe) content, %<0.00150.008moisture, %<0.100.30whiteness, % min8680 The factory of Sodium Sulphate Anhyrous(SSA)99%