Dear Sir,TETRACYCLINE HCL BP98 is produced by own factory,which the biggest production capacity of Tetracycline HCL and its serial products in China,among which Tetracycline HCL material with an annual output of over 1,000 MT,sells well in over 20 countries and regions in Asia and Africa, Europe,where for years,it is gainning reputation and good standing. The factory is operating strictly according to GMP standard,under which its product is produced in compliance with the highest world standard of BP93/98,EP97 and USP23.We are ISO9001:2000 Certified company ( its number is 1300/20018290 dd Aug.,10,2001),42-002-2105 is DUN & Bradstreet Number for our company,you can contact your local D & Bs office for our Stand and Credit.Besides we can supply various chemicals such as Choline Chloride,Dicalcium Phosphate ,Robenidine,Zinc Bacitracin,Citric Acid, Ammonium Bicarbonate Food Grade,Phosphoric Acid,Potassium Bromate,Benzoyl Peroxide,AZODICARBONAMIDE, ISONICOTINIC ACID,Maltodextrin,Sodium Benzoate,Agar Agar,Sodium Gluconate, Potassium Sorbate,Glucose,Sodium Tripolyphosphate,Ammonium Persulphate,Potassium Persulphate,Sodium Persulphate,Lithopone and etc at reasonable price,if you need others,please feel free to visit our web: /tradesites/wyang.html and contact us.Attn:Mr.Watson Yang