Za Mbiri

1997

Factory unakhazikitsidwa

Zambiri
2005

Makhalidwe oyang'anira a ISO9001

Zambiri
2014

Inalandira TPPT yothandizira wothandizila kutengera

Zambiri
2020

Yakhazikitsidwa ndi Shanghai Theorem Chemical Technology Co., Ltd.
Ntchito yotumiza kunja

Zambiri
2018

Kukula kwa fakitale

Zambiri