Hebei xinji chemical group co.,ltd We are the leading manufacturer and exporter of barium and strontium salts in Asia. We can supply our products as  Follows: Barium carbonate 99.2% Barium chloride 99% Barium sulphate 98% Barium nitrate 99.3% Barium titanium  Barium titanium oxide oxalate  Strontium carbonate 98% Strontium sulphate 98% Melamine 99.7% Thiourea 99.0% Lithopone b301 ,b311 Ammonium bicarbonate food grade (99.2-100%) If you require our products or have any questions , please contact us. Contact:liu yanhui Tel:86-311-83698355 Fax:86-311-83290171 email:lyh7203@sohu.com Website: xinjichemical.com