2022 9th China International Opticap Nchekwa na Nchaji ogbako
Ebe: Suzhou International Expo Center, China
Oge: Ọgọst 31 - Septemba 2
Nọmba ụlọ ntu: D3-27
Ngwaahịa ngosi:Igwe ntụgharị anyanwụ& Lithium iron batrị & Sistemụ telecom ike anyanwụ
Oge nzipu: Ọgọst-25-2022
