1997 Feme e ile ea thehoa
Hape 2005 Sistimi ea taolo ea boleng ea ISO9001
Hape 2014 E fumane patent ea TPPT ea pheko ea moemeli
Hape 2020 E thehiloe Shanghai Theorem Chemical Technology Co., Ltd.
Bakeng sa mosebetsi oa ho romela
Hape 2018 Katoloso ea feme
Hape 
