HJ-2003 is a kind of alcohol soluble polyamide resin, which has marvelous solvent liberation extremely good alcohol solubility, good compatibility with nitro cotton, superior freezing, water and gel resistance, good gloss, fluidity and pigment wetting property. It has no peculiar smell and has good adhesion to printed pieces, and indoor temperature turn-frost, widely used in various printing fields. Otherwise, the resin has high oxidation resistance, adhesion resistance quality and cold resisting property, widely used for printing ink.