yes, there are trade exhibitions and trade magazines too. If it's gift stuff, Gift Focus trade mag (link to their events page here , has lots of trade fairs listed) Baby/nursery there's Nursery Today, Nursery Industry, the Harrogate Nursery Fair every March. Greetings Today mag for greeting cards. What sort of things are you looking for?
While I was travelling in India saw lots of handmade leather bound books with different types of handmade paper (coconut fibre, marigold petals) and really cheap. I thought at the time they would be good to import to sell. There maybe someway of purchasing wholesale from an Indian company online