1997
Koom xwm tsim
Ntau
2005
Kev tswj hwm kev tswj hwm zoo ntawm ISO9001
Ntau
2014
Tau TPPT kho tus neeg sawv cev tsim muaj daim ntawv tso cai
Ntau
2020
Founded Shanghai Theorem Chemical Technology Co., Ltd.
Rau kev xa tawm ua haujlwm
Ntau
2018
Kev nthuav dav ntawm Hoobkas
Ntau
