Tianjin Minle Chemical Import & Export Co. Ltd. manufacturer of chrome based chemicals ,water treatment and other chemical materials such as chrome oxide green,chromic acid ,sodium bichromate ,potassium bichromate , sodium sulphide ,sodium hydrosulphide, aluminium hydroxide and aluminum sulphate and so on located in Minle county,Zhangye city, GanSu province. Some of their products have applications as colorants in enamels and porcelain ware and in adhesives for the adhesive and sealant industry.