1)low price,high quality! 2)annual output 160000 mt! 3)content:99.6%min 4)so4:0.08%min Synonym: ... .In compound kraft bag 25kg net, lined with PE bag. 3.In jumbo bag.The above mentioned all can be Palletized ... pharmaceutical industry: used in Tetracycline, Oxytetracycline, Phenobarbital, and Borneol, etc. 3. In Light industry: polishing for Marble, rust-remover, bleaching, dirt ...