Leather chemicals manufacturer Trumpler has completed certification assessments at three of its sites and has secured level-three conformance with version 2.0 of ZDHC’s manufacturing restricted substance list at each site.

This means Trumpler’s three main production sites have level-three conformance, while a further four sites around the world have level-one certification.

Trumpler began engaging with ZDHC in 2018. It the upgrade to level-three conformance at its three main production sites would give tanners additional reassurance about the sustainability credentials of more than 400 products.

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