Serge Sun, also known as Heifang Serge (黑方Serge; Hēifāng Serge) Vermouth Yin Hu (Vermouth银狐; Vermouth Yín Hú), and Heifang Assa (黑方Assa; Hēifāng Assa), is a Chinese producer who made his debut in 2013. He is known for his tuning and video editing skills. His most notable work is "Diǎn Zhuāng Yáo".