4
What after-sales services does YANGDA provide, and how can overseas customers access technical support?
YANGDA has established a three-tier after-sales service system: 24/7 online technical support (via email, video, or remote debugging), overseas on-site support (engineer guidance on location), and rapid spare parts supply (replacement of malfunctioning components). Localized support is available in key markets including Africa, Latin America, the Middle East, and Southeast Asia.。