HONGYUCHEM.CN
The enterprise specializes in producing solvent dye(oil-soluble dyes)--HongYu Chemical Co.,Ltd. Haining ZhejiangOur company is a professional manufacturer of solvent dyes, and our products mainly include four series, they are: sulphonazo series, anthraquinone series, heterocycle series and metal complexing.They are widely used in coloring of paint, printing ink, plastic, and in color separation of oil products
http://www.hongyuchem.cn/


