Zhejiang Hongda Chemicals Co.Ltd  
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Optical Brightening Agent

NFW-H With light blue shade
NFW-R With blue-violet shade
NFW Liquid form
DST Liquid form.With high whiteness and good fastness to sunlight
CF-90 Used for silk
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Tel:+86-575-82041155
Fax:+86-575-82517722
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