Beijing FLY Science and Technology Co., Ltd is one of the largest manufacturer of optical brightener (SWN C.I.140 and ER C.I.199) in the world.
The producing center was established in Daxing area of Beijing in 2002.
We specialized mainly in four series products: fluorescence brightener series, anti-yellow changing agents series using in PU, coumarins series products and intermediates of chemicals.
We can supply products according to the customer鈥檚 demand.
We can supply products according to China standard and international standard.
Our products were sold to Taiwan, korea, Europe, America, and other countries & regions.
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