Dovianus BV
In the late ‘70s, our company recognized that drawing process samples in open containers invited contamination and inaccuracy, and also posed serious health and environmental risks. Our response: the Dopak® sampling system, which quickly became the i
Introduction
In the late ‘70s, our company recognized that drawing process samples in open containers invited contamination and inaccuracy, and also posed serious health and environmental risks. Our response: the Dopak® sampling system, which quickly became the i...

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Anqing Yueshan Chemical Co., Ltd. was established in 1991 and is the most prestigious professional company in China that produces leather chemical materials. It has a laboratory with the most advanced leather chemical testing instruments and independ