Panjiayu introduction: is a mountain village in the Belt Mountains of Fengrun District, Tangshan City, Hebei Province. It is one of the anti-Japanese base areas in eastern Hebei Province. Because of this, it is a key area for "mopping up" by the Japanese army. From the summer of 1938 to the end of 1940, the enemy besieged Panjiayu more than 130 times.