Hangzhou Riwa Chemicals Co.,Ltd is one Of leading pigment manufactures and exporters In China.We specialize in a variety of  Organic , Inorganic, AZO, Lake,  Toner Pigment and dyestuff, and so on.Our products are widely used in many fields---ink ,paint , coating , rubber ,pigment printing and stationery etc.

Every kind of pigment,we have developed several specifications according to different customers and requirement.For example used in Plastics, ink,paint and so on.We have been making efforts to improve our products to content the different higher requirement of the clients