... chemical industry and pharmacy; Bleach of paper pulp, bamboo and timber bleach of stapk; Treatment agent of ... Metabisulphite food grade Bleach agent (e. G. Candies, cake, bamboo shoots, etc); Loose agent (e. G. Bread, cracker ... etc); Antiseptic and germicide (e. G. Fruit juice, tinned food, brews, the cereals food is defended ... agent (e. G. Day lily, seafood, fruit and vegetable etc)