Mbiri ya Chitukuko
● 2007
Kampaniyo idakhazikitsidwa ndi a Hongbin Wang m'dzina la kampani ya Shanghai Rongou Chemical Technology Co., Ltd. Ndipo yayamba kuchita bizinesi yotumiza kunja.
● 2012
Antchito athu awonjezeka kufika pa antchito oposa 100.
● 2013
Dzina la kampani lasinthidwa kukhala Longou International Business (Shanghai) Co., Ltd.
● 2018
Kampani yathu idakhazikitsa kampani ya nthambi ya Puyang Longou Biotechnology Development Co., Ltd.
● 2020
Tayamba kupanga emulsion yatsopano yopangidwa ndi fakitale --HANDOW Chemical.
