What does the calligraphy "Give me back Dongguan" mean?

The content written in the calligraphy of "Give me back Dongguan" is as shown below:

"Give me back Dongguan" refers to a gang crackdown that took place in Dongguan City, Guangdong Province, China on September 23, 2015 evil actions. At that time, the local public security department launched an operation to focus on cracking down on underworld organizations and evil gangs. They arrested a group of criminal suspects and announced the slogan of the "Give Me Back Dongguan" operation. The operation received widespread attention and became an important measure in mainland China's crackdown on gangs and evil.

Dongguan calligraphy is a calligraphy style that originated in Dongguan, Fujian. Its calligraphy features are "strong brushstrokes, prominent strokes, and complete structure. The strokes are like sharpening with a knife, with a certain sense of deficiency." The characteristics of his calligraphy are "vigorous and powerful, and grand in form". He pays attention to the strategic planning of the strokes and writes them in one go. The fonts are relatively large and can clearly express the meaning of the words.