(MENAFN- GetNews) 1. Ordinary indirect dyes (N), such as dark green NB, dark brown NM, etc. Ordinary indirect dyes originally used benzidine as the two-head body, which has now been banned, and now ...
With the progress of society, consumers not only pursue beauty and practicality but also pay increasing attention to comfort and health. At present, the trend of the world textile industry is based on ...
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