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Navigation and reading

• Skip link and semantic landmarks.
• Keyboard-visible focus and accessible mobile navigation.
• Responsive layout and language-specific pages.
• Reduced-motion preference respected; no autoplay.

Documents and images

Certificate scans remain image documents. Their key scope and date information is provided as adjacent text. A CSV alternative is provided for the process sheet. Factory video is supplemental; the main company and process information is available in text.

Report a barrier

If a page or document is difficult to use, contact yongli@yonglipcb.com. Include the page and the access problem; do not send unnecessary personal information.