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Whitening agents / optical brighteners are additives that impart brightness to polymers and intensify the degree of whiteness. these agents function on the basis of the ‘fluorescence effect’; they absorb light in the uv spectrum and emit light in the blue region of the visible spectrum to yield a brighter and fresher appearance to the plastic.

We are an enterprise that export China 4BK optical brightener for PVC to China, we're approved by the relevant state registratio. Main China 4BK optical brightener for PVC and sell to several regions in China, solution available upon request. We've the spirit of "customer initially, honesty first" principle, having a number of enterprises established long-term cooperative partnership.


We attach importance to innovation, specifically with patents of China on China 4BK optical brightener for PVC, its excellent technologies has reached the international advanced level, and includes a high reputation inside the China 4BK optical brightener for PVC market. Our group not only has fantastic researchers and market nationwide sales and service network, but also are China customers specified brand suppliers.

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