Amateka y'Iterambere
● 2007
Isosiyete yashinzwe na Bwana Hongbin Wang mwizina ryisosiyete ya Shanghai Rongou Chemical Technology Co., Ltd. Kandi itangira guhangana nubucuruzi bwohereza ibicuruzwa hanze.
● 2012
Abakozi bacu bariyongereye bagera ku bakozi barenga 100.
● 2013
Izina ryisosiyete ryahinduwe muri Longou International Business (Shanghai) Co, Ltd.
● 2018
Isosiyete yacu yashinze isosiyete yishami Puyang Longou Biotechnology Development Co., Ltd.
● 2020
Dutangiye kubaka uruganda rushya rutanga emulsion - HANDOW Chemical.
