Zhejiang Riwa Group Co., Ltd., located in Hangzhou, was established in 1987 with more than 20 years of experience in the manufacturing of pigment, dyes and intermediates, pigment red, yellow, blue, green, orange, violet, solvent dyes and some intermediates are our main products. All of pigment and intermediates we produce can be widely used in industries such as ink, paint, coating, plastic, rubber, textile printing stationery, dyestuff and pesticide.