Soc Trang is one of the three largest shrimp farming and processing centers for export in Vietnam, with an area of over 53,000 hectares concentrated in... My Xuyen, Tran De, Cu Lao Dung, Vinh Chau, contributing billions of USD to the national seafood export revenue. In addition, the coastal sandy areas... Vinh Chau It is a famous red onion growing area throughout the country and Book It is a major producer of pomelo and star apple for export. To ensure frozen shrimp maintain their BRC standard quality for export to the EU and the US, and to prevent shallots from shrinking or sprouting, a chain of industrial cold storage facilities with intensive temperature and humidity control is crucial.
Tan Long Refrigeration and Electrical Engineering Joint Stock Company We are a leading and reputable EPC general contractor, specializing in design consulting and construction. Deep-freezing cold storage for seafood, frozen storage for export shrimp, and cool storage for agricultural products in Soc Trang.. We apply standardized technical specifications, using Mycom/Bitzer 30% energy-saving compressors and B1/B2 fire-retardant PIR panels in accordance with QCVN 06:2022/BXD.

1. Urgent Industrial Refrigeration Needs in Soc Trang
- Super-fast freezing of shrimp for export (My Xuyen, Tran De): After processing, the shrimp are placed on an IQF conveyor belt or in a blast freezer. -35°C to -40°C Allow 45-60 minutes for the core temperature to reach -18°C. Then store in a freezer. -22°C to -25°C, humidity 85% – 90% to avoid frostbite.
- Vinh Chau shallots: Requires storage in a cool, dry environment: Temperature +2°C to +4°C, humidity is strictly controlled 65% – 70% To prevent the tubers from sprouting and rotting due to dampness.
- Fruits from Ke Sach (Nam Roi pomelo, star apple): We need a cold storage facility. +8°C to +10°C, with humidity of 85% – 90% Keep the stems firm and green for export market.
2. Technical Specifications Table for Specialized Preservation in Soc Trang
| Processed goods | Chamber temperature range | Relative humidity (RH) | PIR Panel Enclosure Standards | Preservation objectives |
|---|---|---|---|---|
| Freezing chamber for tiger prawns and whiteleg prawns. | -35°C to -40°C | High-pressure convective air | PIR panel 150 – 200mm | Freezing cycle: 45-60 minutes/batch |
| BRC Export Shrimp Freezer Warehouse | -22°C to -25°C | 85% – 90% | 125-150mm PIR Panel, Salt-Resistant | 12-24 months without freezing |
| Vinh Chau cold storage for shallots | +2°C to +4°C | 65% – 70% (dry and cool) | PIR panel 75 – 100mm | 6-8 months without sprouting |
3. Standard B2B Equipment Configuration Recommended by Tan Long
- Mycom (Japan) / Bitzer (Germany) compressor units: This line of screw compressors is specifically designed for large-scale seafood processing plants, with a lifespan of over 20 years.
- 304 Stainless Steel Salt-Resistant Cooling Unit: The radiator fins are coated with an anti-corrosion layer against sea salt from Soc Trang, and defrosting is done using hot gas (Hot Gas Defrost).
- Fire-resistant PIR panel enclosure B1/B2 according to QCVN 06:2022/BXD: Ensuring fire safety, the Camlock seal is airtight, preventing heat loss.
- T-Light 304 Stainless Steel Cold Storage Door: Manufactured exclusively by Tan Long, the surface is made of 304 stainless steel meeting HACCP food hygiene standards, and features a 4-way heated gasket to prevent ice buildup.

4. Estimated Price List for Cold Storage in Soc Trang (B2B)
| Capacity | Warehouse volume | Recommended computer configuration | B2B Technical Estimate |
|---|---|---|---|
| Warehouse for shallots / agricultural products: 20-50 tons | 100 – 250 m³ | Bitzer semi-enclosed unit, rotor dehumidifier, 100mm PIR panel, T-Light hinged door. | Detailed cost breakdown based on floor plan. |
| Seafood warehouse capacity: 100-300 tons | 600 – 1,800 m³ | Screw compressor unit, Salt-resistant evaporator, 125-150mm PIR panel, Sliding door | Prepare technical design documents and Bill of Quantities (BOQ). |
| Factory warehouse capacity: 500 – 3,000+ tons | 3,000 – 18,000+ m³ | Mycom/Bitzer parallel compression station, -40°C deep freezing chamber, SCADA Cloud | Turnkey EPC general contractor |
👉 Field technical support: Tan Long engineers were present in Soc Trang City, My Xuyen, Tran De, and Vinh Chau within a certain period. 24 hours.
5. Proof of Tan Long's Practical Project Capabilities
- Automated warehouse general contractor NECS (102,642 pallets) and AJ Total (31,000 pallets).
- HVAC Partner Minh Phu Seafood, Saigon Food, Vietnam Communist Party.
6. Standard 7-Step EPC Construction Process
- Field survey of the foundations for the power plant and substation in Soc Trang.
- Thermodynamic calculations and 3D simulation of the temperature field of the warehouse chamber.
- Prepare a transparent Bill of Quantities (BOQ) and commit to providing genuine equipment with CO/CQ certificates.
- Manufacturing of fire-resistant PIR panel enclosures and T-Light sliding doors at Tan Long factory.
- Transportation and direct installation of complete HVAC systems at the factory.
- Nitrogen pressure testing, vacuuming, gas charging, and acceptance testing followed by a 72-hour chamber cooling test.
- Handover of operations, instruction on safety procedures, and warranty activation are available 24/7.
7. Frequently Asked Questions (FAQ)
1. How long can frozen shrimp from Soc Trang be stored in the Tan Long warehouse for export?
At a stable temperature of -22°C to -25°C, shrimp can be stored for 18-24 months without spoilage or weight loss upon thawing.
2. Will Vinh Chau shallots wilt when stored in a cool, dry place?
Thanks to the specialized dehumidifier maintaining humidity at 65% – 70%, the onions retain their dry, glossy skins and firm, plump cloves without shrinking.
Investment in Cold Storage for Exporting Seafood in Soc Trang
Contact Tan Long Engineers today to receive a modern cold storage solution that maximizes the preservation of the quality of shrimp exported from Soc Trang.
Cold Storage Construction Project in Adjacent Areas of the Mekong Delta (Western Vietnam)
Key areas for aquaculture, harvesting, and freezing of seafood (tiger shrimp, catfish), export fruits (durian, mango, dragon fruit, coconut), and cold chain logistics in the Southern Hau River region. Tan Long's engineering team is ready to conduct on-site surveys and provide technical support within 24 hours.




































