Akụkọ mmepe
● 2007
The ụlọ ọrụ e guzobere site Mr. Hongbin Wang na ụlọ ọrụ aha Shanghai Rongou Chemical Technology Co., Ltd. Ma malite obibi mbupụ azụmahịa.
● 2012
Ndị ọrụ anyị amụbaala ihe karịrị otu narị ndị ọrụ.
● 2013
Aha ụlọ ọrụ agbanweela Longou International Business (Shanghai) Co., Ltd.
● 2018
Ụlọ ọrụ anyị guzobere alaka ụlọ ọrụ Puyang Longou Biotechnology Development Co., Ltd.
● 2020
Anyị na-amalite iwu ụlọ ọrụ mmepụta ihe ọhụrụ na-emepụta emulsion - HANDOW Chemical.
