Petroleum Dye Factory OEM/ODM Products - China Manufacturers, Factory, Suppliers

"Based on domestic market and expand overseas business" is our improvement strategy for Petroleum Dye Factory OEM/ODM Products, Acid Black 194 , Fluorescent Brightener Ob-1 , Solvent Brown D830 , We will not only continuously introduce technical guidance of experts from both home and abroad, but also develop the new and advanced products constantly to satisfactorily meet the needs of our clients all over the world.