PRAQ S.A

Colonial Chemical is an industry forerunner in the development and manufacture of products that are environmentally safe and derived from all-natural and renewable ingredients. Colonial Chemical manufactures cosmetic and industrial surfactants, perfo

Our development direction is biological medicine. And our company is professional in research and manufacturing of amino acid and its derivatives. Our products have been exported to America, Britain, Italy, France, Germany, India and Japan.

BS-Partikel GmbH is manufacturing and purchasing certified particle standards worldwide, e.g. certified particle size standards, certified particle count standards, certified particle powder standards, certified PharmaCount standards and test partic