China's offset ink consumption accounts for about 40% of various printing inks, and this proportion will not change much in a long time in the future. Printing inks for plastic packaging are mainly chlorinated polypropylene type and polyamide type. According to surveys by relevant industry organizations, China annually requires 40,000 to 45,000 tons of plastic packaging inks, of which chlorinated polypropylene type accounts for about 50% to 55%, polyamide type accounts for about 40% to 45%, and other types only have 5 %.