Chengdu Longcheng Hightech Materials Co., Ltd is committed to the research and production of food-grade Polyvinyl Butyral (PVB) resin. It is one of the only two factories in the world which have mastered the production technology of the low-viscosity PVB resins. Its PVB resins are mainly used for food package printing inks, cigarette package printing inks, tipping paper inks, lined paper inks, gold and silver inks, high-end metal antirust varnish, etc. Its water-based PVB is mainly applied in wood coatings, textile coatings, transfer paper inks, etc. The water-based PVB can be dissolved in water only and it has ¡°0¡± emission of VOCs, which is the best choice for improving production environment of the above-mentioned industries.