We are a leading factory in the production of Vat Blue 4 / Vat Blue RSN. This is a high-quality organic pigment dye that is used for a wide range of applications, including textile dyeing, printing, and coloring. Our product is known for its excellent color fastness, bright and vibrant color, and superior quality. It is highly resistant to fading, washing, and light exposure, making it an ideal choice for outdoor and indoor use. Our product is available in a wide range of shades and can be customized to meet your specific requirements. Contact us today to learn more about our product and how it can benefit your business.