Some of China origin dyestuff we export are as following : basic red 1 direct yellow 4 direct yellow 6 direct yellow 11 direct yellow 12 ... APPLICATION: Direct dyes are widely used to dye and print cotton, hemp and viscose, and to dye silk, lanital, etc. They are also blended with disperse dyes to dye blend fiber in one bath. They are important colorants for paper and leather industry. They are also applied to handi craftwork like those made from straw.