Hong Kong International Lighting Fair is a trade fair held twice-yearly in Hong Kong. The full title has the seasonal version appended, (Autumn Edition) or (Spring Edition). The autumnal version is the biggest lighting fair in Asia and the second largest in the world.

Organised by the Hong Kong Trade Development Council (HKTDC), it is held annually in October in Hong Kong, China, featuring over 1,700 international exhibitors and catering to the needs of buyers from around the world. Exhibits includes LED lighting, green lighting, household lighting, outdoor lighting, commercial lighting, lighting accessories, along with Hall of Aurora for branded lighting. The Spring edition is held annually in April.

Reference:

https://en.wikipedia.org/wiki/Hong_Kong_International_Lighting_Fair

HKTDC Hong Kong International Lighting Fair (Spring Edition)

HKTDC Hong Kong International Lighting Fair (Autumn Edition)