Haining Hongyu Chemical Co., Ltd. is located in Haining, Zhejiang Province and regards "quality and service first" as life. Our company is manufacturer of solvent dye and has more than 20 technical personnel and advanced testing equipment. We provide azo, anthraquinone, heterocyclic and metal complex which are used in paint, ink, oil color and plastic shading. PVC heat stabilizer applies advanced technology to eliminate impurity harm to products. From low-grade, high- grade and dust-free ...