Many South African wine companies might not return to Vinexpo or the London International Wine Fair in future years due to the fact they believe ProWein in Germany is a more effective show from a business perspective.Speaking at Vinexpo in Bordeaux yesterday, Kleine Zalze managing director Kobus Basson told the drinks business that ProWein, which took place in March in Düsseldorf, had “raised the bar” in business terms and that the timing of this year’s Vinexpo, with ProWein and the LIWF also taking place in recent months, meant that some wineries had exhausted their resources and spent huge amounts of money for little gain.