Yan Tai Heng Nuo Chemical Technology Co., Ltd. specializes in the production and the supply of 2,5-Dimercapto -1,3,4 Thiadiazole and thiadiazole derivatives, rubber ingredients, pharmaceutical intermediates and fine chemical products. Some of their products are for use in solvent-based printing inks, particularly lithographic and flexogravure printing inks for the graphic art and inks industry.