Advanced environmental systems custom-designed to handle Vietnam's tropical latent load challenges while ensuring strict process stability.
DP -70°C
DHU series rotary desiccant dehumidifiers deliver stable low-dew-point air where refrigeration alone cannot reach — engineered for extreme Vietnamese monsoonal climates.
Turnkey EPC
Complete humidity-controlled rooms — thermal enclosure, air handling, low-dew-point dehumidification, smart controls, and rigorous validation under a single EPC contract.
Purity ≥99%
ZJRH series captures N-Methyl-2-pyrrolidone from lithium battery electrode coater exhaust for condensation recycling, drastically curbing raw material expenditures and plant emissions.
Cooling + RTO
Deep-cooling condensation coupled with Regenerative Thermal Oxidation (RTO) to eliminate hazardous VOC waste gases and volatile organic compounds across Vietnamese industrial zones.
Navigating extreme monsoonal relative humidity in Bac Ninh, Hai Phong, and Binh Duong requires purpose-built desiccant engineering.
With the acceleration of the "China+1" supply chain diversification, Vietnam has transformed into Southeast Asia's powerhouse for electronics assembly, EV manufacturing, and precision chemical processing. Major global enterprises have invested billions into provinces like Bac Giang, Dong Nai, and Quang Ninh. However, operating state-of-the-art cleanrooms in these regions requires tackling massive latent moisture loads unique to tropical environments.
Northern and Southern Vietnam experience ambient summer conditions frequently exceeding 38°C dry bulb and 85–95% relative humidity, translating to a moisture content of over 26 to 30 g/kg of dry air. Conventional HVAC and mechanical chillers fail below 10°C dew point due to coil freezing risks. Only multi-stage, high-performance rotary desiccant dehumidifiers can reliably drive indoor moisture down to ultra-low dew points (-40°C to -70°C DP).
In lithium battery production (electrolyte filling, cell capping), moisture traces react with LiPF6 electrolyte to generate toxic, corrosive hydrofluoric acid (HF), permanently compromising cell retention and fire safety. Similarly, in high-end semiconductor packaging and hygroscopic API manufacturing, minor RH fluctuations cause substrate oxidation and chemical degradation. Absolute dew point stability is not an option; it is essential.
Decades of domestic gigafactory expansion have forged Chinese desiccant dehumidification into a globally unmatched ecosystem of cost-efficiency, rapid delivery, and proven technical maturity.
Hangzhou DryAir has deployed hundreds of dry room installations across the globe for Tier-1 battery giants such as CATL, ATL, BYD, EVE Energy, Farasis, Envision, and SVOLT. This massive scale provides empirical field data to model real-world personnel latent loads, air lock leakages, and equipment heat dissipation with mathematical precision.
Desiccant regeneration constitutes over 70% of a dry room's operating cost. DryAir integrates patented thermal bypasses, multi-stage zeolite/silica-gel composite rotors, waste heat condensation loops, and heat-pump coupled regeneration. In tropical Vietnam, this translates to a 28% to 42% reduction in overall factory electricity expenditures.
Western and Japanese competitors typically face 8 to 14 months of manufacturing lead times. With an in-house capacity of over 200 units per month and direct proximity to Vietnam via sea (Hai Phong, Da Nang, Cat Lai) or cross-border logistics (Youyi Pass), DryAir compresses lead times to 8-12 weeks, ensuring expedited project timelines.
Tailored engineering packages addressing the exact moisture tolerances of Vietnam's leading manufacturing sectors.
Providing dedicated dry rooms from slurry preparation, coating, winding to electrolyte filling and vacuum sealing. Supplying ultra-dry air at -40°C to -60°C DP to prevent electrolyte decomposition and hazardous gassing.
Industrial Zone Focus: Hai Phong, Binh DuongSolid-state sulfide electrolytes degrade rapidly upon minimal moisture contact, producing hazardous H2S gas. Our dual-rotor cascading desiccant dehumidifiers guarantee deep moisture suppression to -70°C DP with continuous sensor redundancy.
R&D & Pilot Lines: Hanoi High-Tech ParksMicrochip photolithography, wafer probing, and wire bonding require tight environmental stabilization at 20°C ± 0.5°C and 30-40% RH with zero airborne molecular contaminants (AMC) to prevent contact corrosion.
Key Clusters: Bac Ninh, Saigon Hi-Tech ParkVietnam's WHO-GMP and EU-GMP pharmaceutical plants require humidity levels maintained at 15% to 30% RH during effervescent tablet compression, gelatin capsule sealing, and antibiotic powder vial filling.
Pharma Hubs: Dong Nai, Vinh PhucCathode manufacturing releases high volumes of toxic NMP fumes. Our solvent recovery systems achieve ≥99% recovery rates, dramatically slashing fresh solvent procurement costs while maintaining strict stack gas emissions.
Environmental Compliance: Decree 08/2022/ND-CPEngineered in compliance with strict GJB military standards. Engineered dehumidifiers protect naval navigation racks, optical ammunition storages, and aerospace equipment against tropical salt spray and rust corrosion.
Specification: Constant ≤40% RHSingle-point accountability from thermal calculations to local Vietnamese site handover and validation.
Moisture load modeling considering Vietnam ambient peak values, personnel latent load, and product throughput.
Psychrometric chart design, air change calculation (60–100 ACH), airtight wall panel layout, and CFD duct modeling.
In-house manufacturing in Hangzhou, rigorous zero-leakage testing, rotor performance audit, and pre-shipment FAT.
On-site mechanical erection in Vietnam, cleanroom sealing, chilled water integration, and dew point validation.
Bilingual operational training, 2-hour emergency response, local spare parts depot, and scheduled rotor re-testing.
Precision guidelines to assist facility directors, HVAC consultants, and procurement managers in drafting accurate RFQ requirements.
| Industrial Sector | Specific Target Process | Required Moisture Target | Recommended System Solution | Key Technical Focus |
|---|---|---|---|---|
| Lithium Battery Cell | Winding, Assembly & Electrolyte Filling | -40°C to -60°C DP | Turn-key Dry Room | Airtight envelope, dynamic personnel airlock, zero leakage |
| Solid-State Battery | Sulfide/Polymer Electrolyte Processing | Down to -70°C DP | Desiccant Dehumidifier | Dual-rotor cascading configuration, ultra-low purge air |
| Cathode Active Material | Electrode Coater & Dryer Solvent Exhaust | ≥99% NMP Recovery | NMP Recovery System | Multi-stage deep cooling condensation + VOC polishing |
| Pharmaceutical / APIs | Capsule Filling, Effervescent Tablet Press | 10% - 25% RH | Desiccant Dehumidifier | Sanitary clean-in-place design, antimicrobial rotor media |
| Semiconductor & Opto | Photolithography, Wafer & Glass Bonding | 25% - 40% RH (±2%) | Desiccant Dehumidifier | High air change rate, HEPA/ULPA integration, AMC filters |
| Military & Aviation | Ammunition, Radar Rack, Avionics Depot | ≤40% RH | Desiccant Dehumidifier | GJB national military standard build, corrosion-proof casing |
| Industrial Warehouses | Electronic Sub-components & Pre-cooling | 45% - 60% RH | Refrigerative Dehumidifier | Low-cost condensation moisture removal, easy duct connection |
| Chemical / Finishing | Solvent Coating, Resin & Paint Exhaust | Emission Standards | VOC Abatement System | Regenerative thermal oxidation (RTO), ≥95% heat recovery |
Deep-dive technical knowledge based on over 15 years of industrial commissioning to guide cleanroom project planning.
VOC Control
How deep-cooling condensation systems capture fugitive organic vapours during volatile bulk chemical tank transfers and solvent drying operations in high-ambient tropical environments.
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NMP Recycling
Critical operational strategies for maintaining ≥99% recovery efficiency on gigafactory-scale coater exhaust lines, mitigating solvent breakdown, and eliminating stack odor complaints.
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Pharma GMP
A detailed analysis of hygroscopic powder caking, packaging degradation, and bio-burden risks in humid regions, with HVAC retrofit protocols to achieve precise GMP compliance.
Read Technical PaperClear, definitive technical responses concerning performance, installation logistics, international certifications, and local support.
Complete industrial-grade equipment suite designed for precision humidity control, environmental compliance, and low dew point management.
DP -70°C
High-performance rotary desiccant systems tailored for ultra-low humidity processing down to -70°C dew point.
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Turnkey EPC
End-to-end engineered cleanrooms, structural airlocks, and ultra-dry air systems built to international battery standards.
Explore Dry Rooms
Recovery ≥99%
Zero-emission closed-loop solvent recycling engineered for gigafactory coater exhaust capture and repurposing.
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RTO System
High-efficiency regenerative thermal oxidizers and deep-cooling condensation for complete plant emission compliance.
Learn MoreCost-effective, high-volume mechanical cooling dehumidifiers for general clean storage and pre-cooling systems.
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EPC Support
Dedicated field engineers, local parts warehouses, and comprehensive service agreements across all Vietnamese industrial zones.
Global Service
Specifications
In-depth airflow calculations, rotor psychrometric curves, and engineering blueprints for plant expansion teams.
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Full Matrix
Consulting and manufacturing solutions for precision cleanrooms, military depots, and pharmaceutical labs.
Explore All ProductsFrom preliminary moisture psychrometric assessments to on-site assembly and long-term service agreements in Bac Ninh, Hai Phong, and Binh Duong — our engineering team delivers precision-controlled results.
