For vat indigo dyes, everyone has different special concerns about it, and what we do is to maximize the product requirements of each customer, so the quality of our vat indigo dyes has been well received by many customers and enjoyed a good reputation in many countries. HANGZHOU TIANKUN CHEM CO., LTD. vat indigo dyes have characteristic design & practical performance & competitive price, for more information on the vat indigo dyes, please feel free to contact us.