(Reuters) - Australia's CHAMP Private Equity firm said its $230 million purchase of Constellation Brands operations in Australia, Britain and South Africa comes near the cyclical low for the wine industry, and it sees strong upside for the business."At CHAMP we have dealt with these sorts of situations previously when most people are heading for the exit door and sometimes that's the wrong door," CHAMP Executive Chairman Bill Ferris told Reuters in a telephone interview.