2004
E guzobere ihe ọhụrụ H&H
2006
MGBASA OZI MALITE
Ihe nkiri na-arapara n'okporo ụzọ Yangzi
2009
BANYELA N'UBI NCHETA ELEKTỌNỊK
Ihe ndị e ji mee ihe, ihe mkpuchi mgbidi, na ihe ndị e ji mee akpụkpọ ụkwụ
2013
Mbugharị ụlọ ọrụ mmepụta ihe na Qidong
2014
MMERI AFỌ 10 H&H
2016
Edepụtara na mgbanwe òkè nke NEEQ, nke gara nke ọma
2019
WENZHOU CHUANGHE, QUAN ZHOU WANHE, KWESỊRỊ nke ọma nke ọma,HANG ZHOU ZHIHE, DONG GUAN SHANGHE, VIETNAM HEHENA NDỊ ỌZỌ NDỊ ỌZỌ NKE KWESỊRỊ ỊNYE
2020
E guzobere ANHUI HEHE iji mepụta ihe nkiri nchekwa agba ụgbọala na ngwaahịa teepu ụlọ ọrụ;
2021
ỊRỤ ỤLỌ NJIANGSU H&H POLYMER MATERIALSEBE NKỌWA TEKNỌLỊ" MERE N'ỤZỌNnabata.
2022
Ebugharịla ebe a na-eme nchọpụta na mmepe na isi ụlọ ọrụ Shanghai.