Baje kolin na shekara-shekara na "China International Optoelectronic Exposition" a matsayin wani hadadden baje kolin sikeli da tasiri na masana'antar optoelectronics za a bude shi da girma a Cibiyar Baje kolin Shenzhen daga ranar 4 zuwa 7 ga Satumba, 2019, tare da filin baje kolin na 110,000m2. Tare da taken "mayar da hankali kan aikace-aikacen optoelectronic da kuma taimakawa masana'antu don haɗawa", nunin ya haɗu da kamfanoni sama da 2,000 na optoelectronic a gida da waje don baje kolin fasahohin zamani da samfuran sabbin abubuwa don aikace-aikacen optoelectronic da optoelectronic. Ana sa ran za ta jawo hankalin masu ziyara fiye da 70,000.
Baje kolin Optoelectronic na kasar Sin cikakkiyar baje koli ne na masana'antar optoelectronic mai girma da tasiri. Ya ƙunshi sarkar masana'antar optoelectronic na sadarwa na gani, Laser, infrared, daidaitaccen optics, ƙirar optoelectronic, haɗin soja da farar hula, tsinkayen hoto, cibiyar bayanai da sauransu. A matsayin baje kolin ƙwararru wanda ke rufe dukkan sassan masana'antu na optoelectronics, CIOE China Optical Expo ya zama dandamali na zaɓi don faɗaɗa kasuwa da haɓaka iri na kamfanoni da yawa. Hakanan yana ba da kasuwancin tsayawa ɗaya don masana'antu don nemo sabbin fasahohi da kayayyaki da fahimtar damar kasuwa. Dandalin sana'a don musayar fasaha da ilimi.