What qualifications can open a car modification factory across the city?

As far as I know, starting a garage requires the following qualifications and conditions:

1. industrial and commercial registration: it is necessary to complete the industrial and commercial registration procedures of the enterprise and obtain a legal business license.

2. Land and workshop: It is necessary to have a piece of land that meets the requirements and a workshop suitable for vehicle modification business.

3. Vehicle modification qualification: you need to hold the corresponding vehicle modification qualification, which may be different in different regions. Generally, it is necessary to apply to the local traffic management department to meet the corresponding technical requirements and safety standards.

4. Funds and equipment: Starting a garage requires a certain initial investment and the purchase of applicable equipment, and financial budget and funds need to be prepared.

5. Staffing: Vehicle modification requires suitable employees, including technicians, designers and engineers.

Please note that different regions may have different regulations and requirements, and the specific qualifications and conditions may vary from region to region. I suggest that when you consider setting up a garage, you should consult relevant local departments or consult relevant laws and regulations to ensure that it meets local requirements and regulations.