Firstruth Colorants China Co.,Ltd. is a high performance colorants supplier and manufacturer. Our main products are Pigment Violet 23,Phthalocyanine blue, Phthalocyanine Green, Red, Yellow, orange series pigments and Solvent dyestuff and widely used in waterbased ink, offset ink, solvent-based ink, coating, plastics, rubber, pigment dispersion and related fields.