Which country's cartoon is Le Di?

This character comes from China's cartoon.

According to Mango TV, Le Di is one of the main characters in Super Flash, which is very popular with children.

Super Flash is a brand-new 3d animation for children created by Guangzhou Aofei Animation Company. It tells the story of Le Di, an airplane robot, and his friends traveling around the world, delivering packages to children all over the world to help them solve their difficulties.