Taihe Liyun provides onsite product installation, debugging and maintenance service for our LED display. Such as: 1. After-sales service: 1) Service principles: response in time, solve problems as soon as possible and ensure the use. 2) Service period: In the Maintenance period of the LED screen body, free of all maintenance charges; After Maintenance period, only charge the material costs fees free of manual work fees. 3) Service scope: If the users find any problem that cannot be ...   |