Is the lockout notice sent by Minsheng Leasing real?

It's true.

Minsheng Financial Leasing is a financial leasing service provider, and financing banks, investment and intermediary institutions to cooperate, for the financial leasing needs of enterprises to provide from capital, products to business support, the business model contains direct leasing, sale and leaseback and other modes of business involves business jets, commercial aircraft, ships, offshore equipment, logistics, vehicles and construction machinery, Energy equipment, energy conservation and environmental protection, medical equipment, electronic information and other fields.

If it is because of the rent or other reasons people's livelihood to send a lock notice, the time will indeed lock the car.