Hebei xinji chemical produce and export
1.barium carbonate  99.2%
2.STRONTIUM CARBONATE 97%
3.barium sulphate 98%
4.potassium carbonate 99%
5.barium nitrate 99.5%
6. barium  carbonate  99.8%
7.thiourea 99%
8.NA2S 52%  60%
I fyou interest pl socntact us
hebei xinji chemical  Ms. Zhao chao