In case of product quality issues, what is your company's after-sales process? What is the approximate response time and problem-solving cycle? Do you provide technical support and training services?

Handling of Quality Issues: Response Time: Respond within 2 hours after receiving customer feedback and provide a solution within 24 hours. Return and Exchange Policy: In case of confirmed product quality issues, free returns and exchanges are available within 7 days, and the round - trip shipping costs will be borne. Technical Support: Provide free splicing training, network optimization suggestions, and 24/7 online technical consultation. Warranty Period: The product comes with a 5 - year warranty