MZ-Analysentechnik GmbH is a very well established manufacturer of HPLC- and GPC columns of excellent quality at reasonable prices. All our products are manufactured under DIN ED ISO 9001:2008 conditions. Each HPLC and GPC column is individually tested and fulfils highest specification standards. All our below registered trade names are used by scientists in more than 50 countries and they are included in the official listing of the US Pharmacopeia.