What instrument is used to play the famous song "Fishing boats sing late"?

Guzheng plays the famous song "Fishing boats sing late".

"Fishing Boat Singing Late" is a Zheng Song with classical style. The music depicts the beautiful scene of the sunset reflecting the blue waves, fishermen enjoying themselves and fishing boats drifting with the tide. This piece of music is the most widely circulated and influential Zheng solo in China since 1930s.

After the founding of People's Republic of China (PRC), the famous musician Mr. Li adapted and created the violin music based on the Zheng music of the same name, which was widely circulated all over the world and played by Sheng Zhongguo and others. 1984, the background music of CCTV weather forecast began to play the song of the same name "Fishing Boat Singing Late" with electronic keyboard (this electronic keyboard song is different from the traditional "Fishing Boat Singing Late"). Background music, unchanged for 30 years, has become the most familiar and favorite music of/kloc-0.3 billion people. It may be the longest playing background music of all TV programs in the world.