F4 round-up: Jordan Dempsey wins Chinese title, Enzo Bortoleto makes South American return by Ida Wood 14 October 2018 by Ida Wood 14 October 2018 Irishman Jordan Dempsey secured the Chinese Formula 4 title at Ningbo, taking his first championship since his Ginetta Junior Ireland triumph in 2015. Dempsey is also a winner in Formula…