This is some information I found on the Wuhan online decoration website. If you still have some questions about decoration, you can check them out and you should be able to find what you need to know. The following are for reference only:

Shovel worker

The bricklayer's job is mainly to paint the ceiling, interior walls and lay tiles on the ground. If the wall is to be torn down, they will also tear it down.

electrician

Electricians are mainly responsible for rewiring and wiring. He should arrange wiring according to the design of the room, the location, model and load of household appliances, and reasonably design switches and sockets.

Woodworking craft

Woodworking has been running through the decoration process, mainly making furniture, wooden ceiling, and joinery such as door and window covers, curtain boxes, heating covers, skirting lines, wooden parapets and wooden partitions. Sometimes they need to finish laying the wooden floor.

plumber

Plumbers are mainly responsible for rewiring water pipes and gas pipes.

painter

Painters only enter the family in the late stage of decoration, mainly painting walls, floors, ceilings, furniture, doors and windows.