Potassium Bromate 99.5% Min.Food Grade & Tech Grade are produced by ou own factory,its output is 5,000MT yearly,its packing is in 25kg drum,We are ISO9001:2000 Certified company (its number is 1300/ 20018290 dd Aug.,10,2001), 42-002-2105 is Our Registered DUN & Bradstreet Number,you can contact your local D & B's office for our Stand and Credit,the Quality Control System of ISO9001 Offers a Very Strong Guarantee of the Quality for our Products so that we assure timely delivery & Competitive price with best qualty,for details please contact us.