Workers make foldable electric piano keyboards in Zhanjiang, Guangdong province. [Li Jiabin/For chinadaily.com.cn]

The company producing it, located in Lianjiang, Zhanjiang, launched a 49-key version in November last year and started exporting the new product to the US and European markets in December.

The company's foldable pianos have become popular overseas at a time when many people are stuck at home because of the pandemic, and they like to play music, said Zhou Xingguang, vice-president of the company.