for the usage of the basical chemical industry ,paper , agriculture, leather and so on ,pls contact the mail : sinon golia-chem AT 163 DOT COM.For more infors and looking forwar d the cooperation with you in the near future! we can supply sodium sulphide sodium sulphide Here are brief introduction of our company: SINO CHEM MONGOLIA ALLIANCE,a china chemistry enterprises, w hich own the local advantage of Inner Mongolia and the advac ed technology. products: calcium carbide,sodium sulfate,sodi um sulfite,sodium metabisulphide,sodium sulphide sodium hydr osulphide,dicyandiamide,aluminum sulfate,magnic sulfate,etc Pls email us:sinongolia-chem AT 163 DOTcom,and web sinongoli .Looking the cooperation with you.