Through continuous improvement of technical support and quality control capabilities, we are able to provide customers with a full range of more valuable and competitive VP/VA copolymer solution, PVP Polymers, film-formers, PVP Complex Compound. Find famous brands' and efficient PVP K30 W with Rainbow. Our factory also provides customized PVP K30 W according to customers' requirement. And the free sample for quality checking is also available if you need.