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National Standard of the P.R.C., Leather and Fur - Limit of Harmful Matter will come into force on Dec.1, 2007. It restricts the use of 23 kinds of azo dyes and formaldehyde for leather and fur articles. The standard is applicable to daily used leather and fur products such as leather shoes, leather and fur garments.
Azo dyes and formaldehyde are widely used in leather industry. However, they not only pollute the environment, but also harm our health.
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