What's the name of making coffins for old people?

Coffins, also known as coffins, longevity coffins and coffins, are burial utensils for holding bodies, and coffins are coffins outside coffins.

Coffins are also commonly known as "ten tiles" and "ten tiles" in rural areas. Generally, it is made of ten pages of wood, but there are also twelve pages of wood, commonly known as "twelve yuan". Made of ten pages of wood, including three pages on the cover (upper cover), three pages on the bottom (lower), two pages on the status (both sides), and 5- 1 1 piece of other precious wood. There are also coffins made of copper and stone. Some important people, such as political and religious leaders, will use crystal coffins for people to pay their respects. China traditionally likes to make coffins from high-quality catalpa and nanmu. Many people regard getting a good coffin after death as their greatest blessing. China has traditionally attached great importance to coffins as a status symbol, stipulating that Wang-three coffins and two coffins; Governors-two coffins; Qing-one coffin and two coffins; A scholar-a coffin; Shu Ren-There are no coffins, so it can be seen that the ancient coffins are a status symbol.