What's the special name of Liuzhou coffin?

The special title of Liuzhou coffin is "promoting to a higher position and making a fortune", which originated from the good wooden materials and exquisite craftsmanship of Liuzhou in history; Legend has it that Liu Zongyuan went to Liuzhou to be an official. Buried in Liuzhou coffin after death. When he was transported back to his hometown, it looked lifelike. The ancients paid more attention to this, especially the dignitaries, so Liuzhou coffins were famous.