Behind “Formaldehyde Cabbage” ② | Industry insiders discuss cold-chain costs: 20%–30% higher than ambient-temperature transport, leading some vendors to avoid storing cabbage in cold warehouses

“甲醛白菜”背后②｜从业者谈冷链成本：比常温货车费用高20%—30%，一些商贩不愿把白菜放冷库

A public trend signal observed across 1 source.