Professional China Manufacturers in optical brightener, pigment.Sale and R&D more than 15 years! Now we have 8 production lines with several kinds of optical brightener and pigment such as OB, OB-1, CBS-127,CBS-X,Pigment Blue,Solvent Blue, Solvent Violet etc and our annual output totally is nearly 3000MT per year!Our optical brightener and pigment now are very popular in the global market and very widely used in the fields of plastic, chemical fiber, cosmetic, coating, painting, ink, textile printing & dyeing, detergent and paper making etc!1. Owned factory, owned R&D center and lab. 2. We provide system solution and technique support on your product whitening and coloring.3. We can provide to you one-stop purchasing on the whitening agent and pigment.4. As the direct factory, our price can be always 3% lower than the market price.5. Always a pre-production sample before mass production;Final Inspection before shipment.6. We provide free samples to customers for trial production.7. We can 100% guarantee to you on our product quality and delivery time.8. If indeed any quality problem on our product, we surely must 100% compensate for you.We very warmly welcome your inquiry and sincerely hope to work together with you to build a brilliant future!