Ogilvy is one of professional Optical Brightener for Plastics,Optical Brightener for Washing,Optical Brightener for Papermaking manufacturer.We have been professional on the optical brightener production and sale and R&D more than 15 years! Now we have 8 production lines with several kinds of optical brightener such as OB, OB-1, CBS-127, KCB, KSN etc and our annual output of optical brightener totally is nearly 3000MT per year!Our optical brightener now is very popular in the global market and very widely used in the fields of plastic, chemical fiber, coating, painting, ink, textile printing & dyeing, detergent and paper making etc!