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Patent Certificate
Practical patent-----a semi-automatic water-based iron oxide pigment paste cleaning production system
Practical patent---Solvent type nano phthalocyanine colorant for UV vacuum coating paint and application
Invention patent---a preparation method of cationic organic yellow water-based pigment paste
Invention patent --- A preparation method of cationic organic red water-based pigment paste
Invention patent --- A preparation method of cationic phthalocyanine or carbon black aqueous pigment paste
Invention patent---A preparation method of water&oil universal nano transparent iron oxide yellow pigment paste.
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