Actually, the siblings would have been sent home in 2020. But the pandemic delayed the trip. Big sister Nuan Nuan is already back in China since 2017.
China has long conducted diplomacy with the help of pandas. Parents Xing Xing and Liang Liang were loaned to Malaysia from China in 2014 to mark 40 years of diplomatic relations between the two countries, according to AFP.
For now, the parents will remain in Malaysia.