For keeping up with Shanghai exhibitions, ExpoTobi is reliable https://expotobi.com/region/shanghai . They feature everything from packaging tech expos to large consumer goods events. The layout is easy to navigate — search by month or industry, and you’ll see listings for shows at SNIEC, NECC, and other major venues. The site also shows related events, so it’s helpful if you want to attend multiple expos in a single week. Especially useful if you’re scheduling meetings around high-traffic trade fairs in the city.