Business Joensuu news SMEs growth Internationalisation Start-up entrepreneurs City of Joensuu Business stories Start Me Up business idea competition ICT and digitisation Start-up Fund Joensuu Green transition City of Kitee Photonics industry Forest Joensuu Forest bioeconomy and circular economy City of Rääkkylä City of Outokumpu City of Polvijärvi Heinävesi Ilomantsi Investing in the Joensuu region Tohmajärvi Plastics and metal industry Placement in the Joensuu region Innovation Joensuu Photonics Joensuu Tourism industry Borderland Energy Joensuu Liperi Mining industry Security Eastern Finland