A Chinese delegation is spending two days in and around the city, learning about local food safety practices.

Members of the Shanghai People's Congress have toured Southern Clams in Dunedin, before visiting Silver Fern Farms in Balclutha.

They're being hosted by the Dunedin City Council, which facilitated the visit.

Dunedin and Shanghai have a strong sister-city relationship.

The Chinese delegates have been learning about how the origin of food can be verified.

They've also paid a visit to AgResearch's Invermay campus near Mosgiel.