sodium metabisulphiteMain
Purity 95%
grade:Industry, Feed grade
Packing: 25kgs,50kgs per each woven bag with
         plastic lining or 1000kgs per each package    
Uses: Mainly used for producing medicine iodoform,
sola sulfone, vanillin Photogra0phical fixative,
rubber solidifying agent,dechloride agent of bleached fiber,
leather treatment of leathermaking industry, etc.