On August 25, 2026, The Paper published an on-site investigation report, in which local vegetable farmers in Kangbao, Hebei confirmed that distributors have been using formaldehyde to keep cabbage fresh for several years, saving about 20,000 yuan in costs per truck compared with cold-chain preservation.
Evidence EVIDENCE
Sources 2 · Archived 0
SourceTypeReliabilityLink
李老师不是你老师TG
2026-10-04 06:26 · 🎬 “用甲醛保鲜白菜，此前几年就一直存在”
First-hand
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澎湃新闻：“甲醛白菜”屡禁不止，甲醛为何仍未纳入蔬菜常规检测？
2026-10-07 17:05 · 8月24日，河北省康保县市场监督管理局工作人员向澎湃新闻表示，经倒查，涉事“甲醛白菜”流向安徽和江苏两省。澎湃新闻查询发现，类似“甲醛白菜”事件在过去十余年间被反复曝光，但到目前为止，甲醛仍未被纳入常规检测项。
Web Source
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Context CONTEXT
Cause
08.22
·Reported
·Importance II
·Zhangjiakou
This event
The Paper's on-site investigation confirms that distributors in Kangbao, Hebei have used formaldehyde to preserve cabbage for years
2026.08.25 · Reported
Effect
Not recorded yet