产品通用描述： Advanced sodium formate process,thestrict quality system,scientific technics,and the concept of product quality is persons quality,result the excellence of GUJIN sodium hydrosulfite ,and make a famous GUJIN brand. In industrial field,GUJIN brand sodium hydrosulfite performs outstandingly in textiles and dyeing,paper and puip,kaolin clay,as bleaching agent,reducing agent and anti-oxidizing agent,the application is broad. In food industrial,GUJIN brand sodium hydrosulfite food additive gra
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