Complete Process Color Chart
Following the four points, “more complete, more accurate, more authoritative, more convenient” Complete Process Color Chart comes out.
This book in not only the most complete four color chromatography, also includes gold, silver, superimposition four color chromatography, is your indispensable matching too.
It is more accurate in the color value reference and more convenient to use because of the unique ShuKou color sequence retrieval design. That its printing process strictly carries out international stander makes it more authoritative. All in all, it would be your best choice.