In order to standardize property management, draw a fixed parking line on the ground and write down the license plate number, ok?

Not according to strict requirements! Please refer to the Property Management Regulations.

Fiftieth public buildings and facilities built according to the plan in the property management area shall not be changed.

If the owners need to change the use of public buildings and facilities according to law, they shall inform the property service enterprises after handling the relevant formalities according to law; If the realty service enterprise really needs to change the use of public buildings and facilities, it shall be submitted to the owners' meeting for discussion and approval, and the owners shall go through the relevant formalities according to law.

However, you said you were standing to regulate management. Originally, the essence of property management company's service is to safeguard the interests of all owners, and standardized management is also the premise of safeguarding the interests of owners. So this practice should be based on the actual situation.