Hangzhou Riwa Pigment Co.,Ltd( the former Xiaoshan No. 2 Pigment Factory) is one of top-ranking pigment Manufacturers in China which mainly manufacture Organic, Inorganic, Azo, lake, Toner pigment and Solvent Dyestuff, with more than 100 items. Our products are widely used in ink, paint, coating, plastic, rubber, pigment printing and stationery and relevant field. Established in 1987, Riwa is covering an area of more than 60000 square meters,...