You'll enjoy the museums and monuments in Chengxiang. You might want to make time for a stop at Putian Dongzhen Reservoir or Yanshou Park.
If you're spending some time in Hanjiang District, Putian Dongyue View is a top sight worth visiting.
While visiting Licheng District, you might make a stop by sights like Zhenhai Dam and Exhibition of Qin Shihuang Terracotta Warriors and Horses.