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Vietnamese Leafy Green Farm: 40% Longer Shelf Life

A 50-hectare leafy green farm in Da Lat, Vietnam reduced post-harvest loss from 18% to 5% and extended shelf life from 5 to 14 days using a CVF-2000E vacuum

Vietnamese Leafy Green Farm: 40% Longer Shelf Life

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The Challenge

A 50-hectare leafy green farm in Da Lat, Vietnam was losing 18% of their harvest to spoilage before reaching the Ho Chi Minh City market. With 8-ton daily harvests of lettuce, spinach, and kale during peak season, the losses were unacceptable. Their existing cold room took 6+ hours to cool produce to storage temperature.

The Solution

We installed a CVF-2000E vacuum pre-cooler (4-pallet, evaporative condenser) at the packhouse sorting line. The unit processes 2,000 kg per batch in 30-minute cycles.

Results

Metric Before After Improvement
Cooling time 6 hours 30 min 92% faster
Post-harvest loss 18% 5% 72% reduction
Shelf life 5 days 14 days +180%
Water loss 8% โ‰ค2% 75% less
Marketable yield 82% 95% +13%
Energy per ton 28 kWh 8 kWh 71% less

Customer Feedback

“The CVF-2000E transformed our operation. We now sell produce that was previously unsellable โ€” and our customers in Saigon notice the difference in freshness. The unit paid for itself in 8 months through reduced losses alone.” โ€” Farm Operations Manager, Da Lat

This page is part of our wider refrigeration work. Two related companies may be useful: Kunning Cryo makes low-temperature freezing and quick-freeze equipment, while Yuanxian Machinery handles our vacuum cooling projects in Chinese.

Interested in a Similar Solution?

Tell us about your product and capacity โ€” we will prepare a tailored proposal for your application.

Ask About This Solution โ†’