After-sales Service We provide comprehensive after-sales support to ensure customer satisfaction. Warranty Policy: • 12-month warranty from date of purchase • Free repair for quality problems during warranty period After-sales Service: • Technical support hotline • Online fault diagnosis • Spare parts replacement • Product upgrade service Return & Exchange Policy: • 7-day return/exchange (quality problems) • 15-day exchange Contact: Email: info@ionkini.com Phone: +86 755 1234 5678