It was during a golf game in Portugal that Magnus Hammick received a call about a deal in Ireland that might be a good fit. Hammick, the chief executive of British green-tech firm UG Group, learned about Cavan’s Wellman International, which had fallen on hard times and was facing imminent collapse unless a new investor moved in. At the time Wellman International, a plastics recycling business, was moving through court proceedings to appoint an examiner after its then-parent company, Indorama, pulled its financial backing for the business. The forecast for the company was bleak – it was only producing a…