... nitrate colloidal agent;Mix with formalin can be used as a preservative, deodorant;Can be copolymerized with acrylic resin epoxy ... raw materials, preparation of caffeine, theophylline, N, N`- two methyl acetyl cyanide urea and sodium, N two, N`- methyl -4- imino Violuric acid; ... Focus on vanillin's production, the company has created a perfect industry chain,and the product line includes vanillin,ethyl ...