Sodium Erythorbate, Soda Ash, SLES 70% manufacturer / supplier in China, offering Bulk 28% 31% Powder PAC for Water Treatment, Water Treatment Product Polyaluminium Chloride PAC, CAS 497-19-8 Dense 99.5% Food Grade Sodium Carbonate Light 99.2% Industrial Grade Soda Ash for Glass Making/Detergent/Float Glass/Ceramic Glaze and so on.