Complex sentence: LS Cable & System is sponsoring Seoul's 700 Yachting Club Racing Team which was able to upgrade one of its Yamaha 31 Festa yachts to enable it to participate in International Class and Offshore Racing Class (ORC) races.
Split into simpler sentences: LS Cable & System is sponsoring Seoul's 700 Yachting Club Racing Team. Thanks to the sponsoring the Yachting Club was able to upgrade one of its Yamaha 31 Festa yachts to enable it to participate in International Class and Offshore Racing Class (ORC) races.