From secondary battery gigafactories to advanced R&D bio-laboratories in Pangyo and Gangnam, DryAir delivers low-dew-point thermodynamic architectures engineered to operate under continuous 24/7 duty cycles.
DP -70°C Stable
DHU industrial rotary dehumidifiers provide ultra-deep moisture extraction for battery assembly lines and sensitive chemistry handling across South Korea.
Complete Turnkey EPC
End-to-end airtight envelope engineering, fire-rated insulated wall systems, precision AHU staging, and smart computerized dew point management.
Efficiency ≥99%
ZJRH Series closed-loop N-Methyl-2-pyrrolidone recovery engineered for battery cathode coating lines, cutting hazardous emissions and OPEX dramatically.
Deep Cooling + RTO
Combined deep-cooling zeolite concentration and regenerative thermal oxidation (RTO) for rigorous solvent treatment in high-density Korean plants.
South Korea represents one of the world's most concentrated clusters of advanced battery chemistry and semiconductor packaging. Here is how our localized engineering matches local operational conditions.
The Seoul Capital Area—stretching south into Suwon, Yongin, Hwaseong, and Cheonan—houses the R&D centers and pilot plants of the world's preeminent battery pioneers. Lithium-metal, solid-state chemistries, and ultra-high-nickel cathodes require room air containing fewer than 5 parts per million of moisture. Our turnkey systems guarantee an ultra-low dew point of -50°C to -70°C, shielding unstable electrolyte formulations from catalytic hydrogen fluoride (HF) formation.
Industrial facility build-outs in South Korea face strict regulatory frameworks including the Occupational Safety and Health Act (KOSHA), High-Pressure Gas Safety Control Act, and national fire safety protocols. Hangzhou DryAir systems are engineered with Korean dual-certification in mind—incorporating non-combustible rockwool panels (Class A fire rating), explosive-proof NMP condensing architectures, and electric controls adhering to KS/KCs safety standards.
Seoul experiences severe seasonal climatic swings: humid, monsoon-laden summers with relative humidity exceeding 85% and sub-zero, dry Siberian winters. Standard HVAC units fail under these massive psychrometric variations. DryAir's multi-stage desiccant dehumidification combines chilled-water pre-cooling coils, dual silica gel/molecular sieve rotors, and variable regeneration heat to maintain flatline dew points year-round without thermal shock.
Combining Hangzhou DryAir's heavy fabrication volume (200+ units monthly) with tier-1 international components delivers proven cost advantages and rapid site deployment to global EPC contractors.
Global procurement teams face escalating lead times for specialized cleanroom dehumidification equipment. With a modern manufacturing base spanning Qingshan Industrial Park in Hangzhou, DryAir manages complete sheet metal laser punching, structural welding, desiccant rotor assembly, and performance testing completely in-house. While European and US lead times average 38–48 weeks, DryAir provides complete modular skid-mounted equipment packages in 12–16 weeks.
Every DryAir system exports under full ISO 9001 and Chinese GJB military-grade manufacturing protocols. We integrate globally supported components—Swedish/Japanese high-capacity desiccant rotors, Siemens PLC touch controls, FläktGroup/EBM fans, and Danfoss variable frequency drives. Certified across CE, UL, CSA, ASME, and EAC standards, our machinery integrates cleanly with multi-national SCADA and BMS protocols worldwide.
Selecting optimal environmental targets minimizes capital investment and avoids crippling operational expenditures caused by excessive dehumidifier over-sizing.
| Application Scenario (Seoul & Global) | Target Dew Point / RH Level | Critical Chemical or Physical Risk Prevented | Recommended System Architecture |
|---|---|---|---|
| Lithium-Ion Cell Assembly & Electrolyte Injection | -40°C to -60°C DP | Hydrolysis of LiPF6 salt producing corrosive HF gas and cathode degradation | Turnkey Dry Room + Dual-Rotor DHU |
| Solid-State & Lithium-Metal Battery Prototypes | -60°C to -70°C DP | Rapid surface oxidation of pure lithium foil and sulfide-electrolyte degradation | Deep Dew Point DHU Ultra Series |
| Cathode Slurry Coating & Drying Exhaust | ≥99% NMP Recovery | Atmospheric VOC emissions and severe solvent loss during slurry drying | ZJRH Multi-Stage NMP Recovery |
| Biopharmaceutical Synthesis & Lyophilization | 10% – 25% RH | Hygroscopic caking, microbial growth, and active pharmaceutical degradation | Sanitary Stainless GMP Dehumidifier |
| Aerospace Electronics & Defense Equipment | ≤35% RH (Controlled) | Micro-corrosion on avionics, propellant degradation, optical misting | GJB-Spec Military Environmental Unit |
| Raw Material Clean Storage & Pre-Cooling | 45% – 55% RH | Moisture adsorption on raw active materials and packaging failures | Refrigerative Dehumidifier Skid |
Hangzhou DryAir executes dry room construction as a unified single-source contractor, eliminating discrepancies between cleanroom civil works, HVAC ducting, and rotor automation.
Our 74 in-house engineers analyze sensible and latent heat loads, operator moisture dissipation (0.05 kg/h per technician), airlock transfer cycles, and infiltration dynamics. We create complete 3D computational fluid dynamics (CFD) airflow layouts to eliminate stagnation pockets.
Standard cleanroom panels leak moisture at high pressure differentials. DryAir manufactures heavy-duty sandwich panels with double-tongue joints and polyurethane gaskets. Air locks, pass boxes, and floor joints receive specialized vapor barrier coats ensuring zero moisture infiltration.
Our field deployment teams handle mechanical erection, control wiring, chilled water hookups, and rotor balancing. System acceptance testing (SAT) is run continuously over 72 hours using multi-point Vaisala chilled mirror hygrometers to verify -70°C dew point stability prior to plant hand-over.
Get verified answers to technical, environmental, and contractual questions asked by international buyers and project management teams.
Explore our full manufactured catalog of industrial humidity control machinery, turnkey dry room enclosures, and solvent abatement plants operating worldwide.
DP -70°C Control
DHU series rotary desiccant dehumidifiers deliver stable low-dew-point air where refrigeration alone cannot reach—from battery dry rooms to military storage.
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Turnkey EPC
Complete humidity-controlled rooms—enclosure, air handling, dehumidification, controls, and validation—delivered under a single unified engineering contract.
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Recovery ≥99%
Captures N-Methyl-2-pyrrolidone from electrode coater exhaust for reuse, cutting solvent spend and stack emissions drastically across battery plants.
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Cooling + RTO
Deep-cooling condensation and regenerative thermal oxidation (RTO) to treat VOC waste gas and recover volatile vapors for eco-compliance.
Learn MoreCost-effective moisture removal for raw material cleanrooms, warehouses, and pre-cooling stages directly ahead of ultra-deep desiccant systems.
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Gigafactory Scale
High-airflow custom AHU configurations featuring integrated DX refrigeration coils, dual-stage filtration, and HEPA laminar ceiling diffusers.
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Zeolite + Oxidation
Dedicated industrial VOC clean technology designed to handle complex volatile compounds with high purification efficiency up to 99.5%.
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Turnkey Modular
Fast-track modular dry cubicles developed for research centers and university battery labs requiring rapid -60°C commissioning within existing facilities.
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