Deutsche Akkreditierungsstelle GmbH (DAkkS)
The DAP's primary activity is the accreditation of materials testing bodies, chemical-analytical, biological and medical laboratories, product certification bodies and inspection bodies in Germany and throughout Europe.
Introduction
The DAP's primary activity is the accreditation of materials testing bodies, chemical-analytical, biological and medical laboratories, product certification bodies and inspection bodies in Germany and throughout Europe.

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Stell GmbH: engineering-production-mounting: ship- building- process- identification. Since 1973 we are one of the leading companies in this branch with more than 100 employees worldwide.

Main products: Shanghai Yukang Biotechnology Co., Ltd. is committed to technological innovation and provides customers with various advanced fine chemical intermediates containing pyridine (bipyridine, tripyridine, aryl substituted pyridine, phenanth