Haining Hongyu Chemical Co., Ltd is located in Haining, Zhejiang Province providing azo, anthraquinone, heterocyclic and metal complex of four series varieties which are used in paint, ink, oil color and plastic shading. We are manufacturer of solvent dye in domestic and owns more than 20 technical personnels and well-equipped testing, From low-grade, high- grade, dust-free sheet to paste, liquid, we provide lead-series, non-toxic series and other heat stabilize...