This is a 23 string Rosewood Guzheng from Shanghai Dunhuang Yun Brand.
The number of strings on a standard Guzheng is 21. With a 23 string Guzheng, you get an extra higher note and an extra bass note, thus increasing the range on the Guzheng.
This Guzheng comes with the classic Chinese poem with scholar design.
It comes with artificial nails for playing the Guzheng, Guzheng stands for placing the instrument on, the casing for storage and protection, as well as the tuning tool to tune the Guzheng.
Shanghai Dunhuang Musical Instruments Co., Ltd is the largest and most established Chinese Musical Instruments Factory in China.