The Prince of Wales and the Duchess of Cornwall were in Wales on Tuesday to tour and officially open a new cheese production unit in the South Caernarfon Creameries' plant.
They met with staff and members of the dairy co-operative, which is owned by 127 farmers who farm in North Wales and Mid Wales.
The Prince of Wales and The Duchess of Cornwall also had an opportunity to taste some of South Caernarfon Creameries award-winning cheese.
Alan Wyn Jones, Managing Director at South Caernarfon Creameries said "We are very honoured that The Prince of Wales and The Duchess of Cornwall officially opened our new cheese facility, which is the first major cheese production investment in the UK for 40 years.
"We welcomed the opportunity to show Their Royal Highnesses our new facilities and to provide an insight into our co-operative business, how our member farmers supply high quality Welsh milk which is processed into quality, award-winning Welsh cheese and Welsh butter which we sell to UK retailers and to international markets."
Moss Jones, President of South Caernarfon Creameries said: "We are so thankful to The Prince of Wales and The Duchess of Cornwall for finding time in their busy schedule to come to South Caernarfon Creameries.
'Positive thing for the Creamery'
"We would like to thank both The Prince of Wales and The Duchess of Cornwall for their steadfast and long-standing support for traditional Welsh family farms, which have formed the backbone of the creamery since it was established in 1938."
Malcolm Hughes of Yoke House Pwlhelli who said: "The new cheese production unit is a very positive thing for the Creamery and we are pleased that The Prince of Wales & Duchess of Cornwall took time out of their day to officially open it."
Eleanor Jones of Denbighshire has been a member farmer for 2 years since diversifying into dairy farming: "Both the Prince of Wales and Duchess of Cornwall were very knowledgeable about farming and they were both very interested in our background and our farm."
The Prince of Wales has a longstanding commitment to supporting Britain's agriculture and ensuring its sustainable future.
In 2010, HRH founded The Prince's Countryside Fund, which aims to create a brighter future for the British countryside.
The new Cheese Production Unit will enable Couth Caernarfon Creameries to increase capacity from 9,500 tonnes to 12,000 tonnes of cheese per annum.