A viral video showing cabbages being illegally treated with formaldehyde in northern China to keep them fresh has sparked food safety concerns. Authorities launched nationwide inspections of perishable vegetables after officials in Hebei province confirmed the use of the known carcinogen during transportation. South Korea has since tightened checks on Chinese napa cabbage imports, while Taiwan is investigating whether affected produce could have reached the island indirectly. #china #chinanews Subscribe to our channel here: https://cna.asia/youtubesub Visit our website: https://cna.asia Download our app: https://cna.asia/app Get our editors' picks of stories via chat apps: Telegram: https://cna.asia/telegram WhatsApp: https://cna.asia/whatsapp Follow us on these platforms: https://www.facebook.com/channelnewsasia https://www.instagram.com/channelnewsasia https://www.tiktok.com/@channelnewsasia