Hay, who finished tenth in the 1500 metres at last weekend's World Cup meet in Changchun, China , took on both rounds over the same distance in Shanghai over the weekend.
The AIS scholarship holder finished 14th in the first 1500 metre race and 17th in the second, to complete a solid two weeks of competition for the two-time Olympian.
Jung's efforts produced two top 20 places. In the 1000 metres she finished 19th, and in the 500 metres 20th, both improved results for the 20-year-old over the previous week.
The men's 5000 metre relay team, consisting of Hay, Pierre Boda, Grant Hester and Ronald Caldecutt, finished tenth, up two places from their result in Changchun.