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        Vitamin K3 Leather auxiliaries Chromium salts Cement additives

        As a main form of Vitamin K, it can effectively change into K2 in the animal body, and plays a role

        We now produce three series of leather chemicals: tanning agent series, fatliquor series and auxi

        Chromium salts mainly includes sodium dichromate, potassium dichromate, chromic anhydride and Chrom

        HP-300 Concrete pumping agent is a Naphthalene-grouping & high efficient water reducing agent,