Vegetables · Export programme
Bok Choy
Brassica rapa subsp. chinensisTender stems and leaves bruise and lose water fast. Pre-cooling, MAP crates and a steady 0–5 °C chain keep it crisp to destination.
40+days
News reportNavy record: bok choy kept 40+ days aboard escort ships (PLA Daily, 15 May 2010). A per-variety export trial is still to be published.

Programme facts
How we ship Bok Choy
Process
From harvest to the buyer’s shelf
Every step keeps the cold chain and the modified atmosphere intact.
01
Harvest & pre-coolPicked at the right maturity and cooled fast at the farm base.02
Gas formula & packAir is replaced with the crop’s gas mix in 3–5 seconds and sealed in MAP crates or trays.03
Reefer at 0–5 °CThe temperature is logged through loading, transit and every handoff.04
Arrival checkProduct is inspected against the standard agreed before shipment.
Case study
Navy escort fleet, Gulf of Aden
Bok choy was among the leafy greens that stayed fresh for 40+ days on long naval missions, ending the “no leafy greens at sea” problem.
See all evidenceBuyer questions
