Direct Black Dyes - China Manufacturers, Factory, Suppliers

We have the most advanced production equipment, experienced and qualified engineers and workers, recognized quality control systems and a friendly professional sales team pre/after-sales support for Direct Black Dyes, Sulphur Brown 4 , Acid Brown 75 , Pigment Red 122 , We set "be a creditable practitioner to achieve the continuous development and innovation" as our motto. We would like to share our experience with friends at home and abroad, as a way to create a bigger cake with our joint efforts. We have several experienced R & D persons and we welcome OEM orders.