The camellia oleifera trees on vast hillsides are thriving within the Chengqiangshan National Rural Industrial Integration Development Demonstration Park in Tanghu Town, Tongcheng County, presenting a spectacular sight.

The demonstration park adopts the "company + cooperative + farmer" model, forming an integrated camellia oleifera industry development system encompassing production, processing, and sales. It has developed 12,400 mu of high-yield ecological camellia oleifera plantations, driving employment and income growth for 2,240 farmer households.