Hubei Kingstone Trading Co. Ltd. is a very famous manufacturer of fine Inorganic Chemials in China. It is a quality endorsed company of ISO9001-2000. We have handled with various kinds of the chemicals for about 15 years. We approach you today in the hope of establishing business relations with you and expect, by our joint effects to enlarge our business scope.*Sodium Fluosilicate*Potassium Fluosilicate*Magnesium Fluosilicate*Zinc Fluosilicate