Gold, as a metal processing technology, is widely used in many fields. Here are some common areas of sheet metal application:

1. Automobile manufacturing: Sheet metal is widely used in automobile manufacturing, for manufacturing body shells, doors, engine hoods, chassis and other components.

2. Electronic devices: Many electronic devices use sheet metal to make casings, such as computers, phones, tablets, etc., to protect internal electronic components.

3. Communication equipment: Sheet metal is used to manufacture the casing of communication equipment, such as base stations, antennas, communication chassis, etc.

4. Home appliances: Home appliances such as refrigerators, washing machines, air conditioners, etc. all use sheet metal to make the shell and components.

5. Architecture and Decoration: Sheet metal is widely used in the field of architecture and decoration, for making doors and windows, interior decorative panels, elevator doors, stair handrails, etc.

6. Medical equipment: Many medical devices use sheet metal to make shells and components, such as medical instruments, operating tables, testing equipment, etc.

7. Energy and environmental protection equipment: Sheet metal is used to manufacture the shells and components of energy and environmental protection equipment, such as wind turbines, solar panels, dust removal equipment, etc.

8. Aerospace: Sheet metal is very important in the aerospace field, used to manufacture aircraft shells, engine covers, spacecraft components, etc.