Neenah Gessner GmbH

One of the largest chemical sites in Germany, the Marl Chemical Park covers an area of 6.5 square kilometers and is home to ultramodern infrastructure typical of the chemical industry.

Also known as Black Diamond, with a molecular formula of B4C, it is usually a gray black micro powder. It is one of the three hardest materials known (the other two being diamond and cubic boron nitride), used in tank armor, bulletproof vests, and ma

OXAQUIM is the first European manufacturer of oxalic acid and its derivatives.