Iranian traders on Sunday signed three agreements with their Chinese trade partners to expand commercial exchanges and investments. Iranian businessman Mohammad Samadi told IRNA the agreements were officially signed and sent to Iranian Embassy in Beijing. He said as per the agreements Chinese traders will visit Iranian provinces and explore investment opportunities there and also take part in Tehran international trade fairs. Both sides will exchange visits to review ways of marketing Iranian carpets in China, Samadi said. He said the two sides also agreed on marketing of food and menerals in the two countries.