trade fair; trade exposition
A commercial event where companies exhibit products and services to potential buyers and partners.
An international trade fair will be held in Tokyo next month.
Many overseas companies will exhibit at this trade fair.
見本市 is a trade fair focusing on sample displays, often for a specific industry, whereas 交易会 is a more general term for trade events.
Compound of 交易 (trade, commerce) and 会 (meeting, gathering).