The slogan for used car advertising is as follows:

1. We are by your side and our service is in front of you.

2. Serve sincerely every day and pursue excellence forever.

3. Quality wins the world and serves millions of families.

4. The ocean of second-hand cars, a paradise for car buyers.

5. Life comes from the source of power, enjoy the source of power.

6. Which company sells second-hand vehicles? It's a well-known power source.

7. Operate second-hand cars with integrity and trade power sources fairly.

8. We are more professional in serving the second-hand car industry.

9. A large second-hand car trading platform, Powergen is dedicated to winning the future.

10. The power source in the car industry, good supply of goods for buying and selling.

11. The driving force behind achievement and glory.

12. Hold hands with the power source and be sincere forever.

13. Professionalism builds the brand, and service creates the future.

14. Second-hand price, first-class service.

15. Tens of thousands of miles to buy a car, zero-distance service.

16. Unlimited service and eternal sincerity.

17. Two-hand service, first-class life.

18. Choosing power source makes buying a car no longer difficult.

19. Give you another chance to be proud of being second-hand.

20. Source of second-hand cars, first-hand power.