1997 Fakitale inakhazikitsidwa
Zambiri 2005 ISO9001 Quality Management System
Zambiri 2014 Anapeza TPPT wochiritsa wothandizira wopanga patent
Zambiri 2020 Anakhazikitsidwa Shanghai Theorem Chemical Technology Co., Ltd.
Za ntchito yotumiza kunja
Zambiri 
