The pair performed a quad twist at a national competition in 2011, when Yu was 15 and Jin was 17 years old (or 13 and 22). They finished seventh at the 2011 Skate Canada and sixth at the 2011 Cup of China. They then won the bronze medal at their national championships. Yu/Jin competed at the 2012 World Junior Championships and won the silver medal behind teammates and training partners Sui Wenjing/Han Cong.