ISO 9001 & GJB Defense Quality Standard Certified

Professional Compact Portable Dehumidifier Factory & Supplier

Engineered industrial desiccant and compact mobile dehumidification systems delivering ultra-dry environments down to -70°C dew point for lithium battery, pharmaceutical, cleanroom, and precision storage facilities globally.

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Core Machinery Lines

High-Efficiency Dehumidification & Recovery Solutions

Explore DryAir's benchmark moisture mitigation machinery, custom built to scale from specialized compact portable deployments to gigafactory-level environmental process loops.

DryAir DHU rotary desiccant dehumidifier unit -70°C Dew Point

Rotary Desiccant Dehumidifier

Engineered for extreme dry environments where traditional refrigeration fails. Features low OPEX heat-recovery regeneration loops.

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Turnkey lithium battery dry room system by DryAir Turnkey EPC

Turn-key Dry Room System

Full enclosure, modular ducting, cleanroom air distribution, and micro-dew point control systems delivered under single-source EPC contracts.

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DryAir ZJRH series NMP recovery system Recovery ≥99%

NMP Solvent Recovery System

Closed-circuit condensation and adsorption technology capturing electrode coater solvent emissions with ultra-high recycling yields.

Technical Parameters
DryAir JEN series VOC abatement system Deep Chill + RTO

VOC Abatement System

Deep cryogenic condensation combined with regenerative thermal oxidizers (RTO) to neutralize process exhausts within strict EPA limits.

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Refrigerative dehumidifier unit Energy Star Tier

Refrigerative Dehumidifier

High-capacity condensing units providing energy-efficient moisture management for pharmaceutical staging and industrial pre-cooling stages.

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Compact portable dehumidifier system Mobile Skid Mounted

Compact Portable Dehumidifier

Plug-and-play mobile dehumidification skids optimized for shipyard painting, temporary clean rooms, utility tunnels, and flood restoration.

Portable Unit Specs
Oil gas condensation recovery system Vapor Recovery

Oil & Gas Vapor Condensation

Designed for petrochemical fuel terminals, reducing hazardous hydrocarbon releases during terminal tank loading and rail transport operations.

Examine Technology
Pharma grade dehumidification system GMP Class 100

Pharmaceutical Dry Air Handler

Stainless steel sanitary air handlers maintaining rigid 10–30% RH limits across capsule manufacturing, packaging suites, and active labs.

Pharma Applications
Localized Applications

Compact Portable Dehumidifiers: Dynamic Industry Deployment

Beyond permanent centralized dry rooms, portable industrial-grade desiccant units provide localized, point-of-use microclimate control. Where stationary HVAC cannot reach, these ruggedized mobile platforms protect yield and structural integrity.

Lithium Pilot Lines & Glove Boxes

For R&D battery labs developing solid-state or high-nickel pouch cells, compact portable units supply continuous sub -50°C dew point dry air directly into isolated glovebox matrices or modular prototype assembly booths without firing up a multi-megawatt central dry room.

Marine Sandblasting & Vessel Coating

Corrosion occurs in minutes if maritime tanks or cargo hulls are painted under high relative humidity. Mobile diesel- or electric-driven desiccant skids pump warm, dry air into enclosed ship compartments, keeping dew points below steel temperature around the clock.

Pharmaceutical Fluid Bed & Packaging

Hygroscopic active ingredients clump and bind if exposed to atmospheric ambient changes during localized transfer points. Compact portable desiccant dehumidifiers integrate seamlessly into existing ducting headers to stabilize humidity during seasonal monsoons.

Verified Operational Performance

Hangzhou DryAir: Precision Engineering at Global Gigafactory Scale

Founded in 2010, Hangzhou DryAir Treatment Co., Ltd. commands over 30% of China's high-specification desiccant dehumidification market. Our patented dual-rotor and deep-cooling desiccant architectures empower gigafactories, cleanrooms, and military storage sites globally.

We understand what keeps process directors up at night: parasitic thermal consumption, rotor bypass leakages, and unplanned moisture spikes. That is why our machines undergo complete load verification in our certified psychrometric test chamber prior to export crating.

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-70°C
Minimum controllable dew point capability for next-gen lithium metal cells.
≥99%
Verified NMP solvent recovery efficiency from active electrode dryer exhausts.
200+
Industrial dehumidifier units fully fabricated and tested monthly.
74+
Senior HVAC specialists, PhD thermodynamicists, and certified field engineers.
Chinese Supply Chain Advantages

End-to-End Manufacturing Resilience & Speed-to-Market

In high-stakes industrial project execution, delayed delivery of dehumidification units can stall commissioning dates by quarters. DryAir integrates vertically from sheet metal fabrication to PLC programming in Hangzhou.

Full Component Integration

90% of core components, casing frames, heat recovery coils, and custom low-leakage dampers are fabricated inside our Lin'an industrial base, insulating buyers from third-party vendor delays.

Rapid Prototyping & Build

With our modular CAD-to-CNC pipeline, custom compact portable dehumidifier skids can transition from approved 3D drawings to factory FAT in as little as 4 to 6 weeks.

Cost-Optimized Efficiency

By leveraging the Yangtze River Delta's concentrated HVAC supply ecosystem, DryAir delivers machines that outspec Western competitors at a 30% to 45% CAPEX advantage.

Stringent Military-Grade QC

Operating under both ISO 9001 and GJB national military systems, every portable unit undergoes helium mass-spectrometer leak checks and continuous full-load endurance tests.

Engineering Matrix

Technical Dew Point & Moisture Control Specification Guide

A systematic operational guide for engineering leads, EPC procurement directors, and plant consultants preparing RFQs for dehumidification infrastructure.

Application Scenario Critical Moisture Target Predominant Failure Risk DryAir System Recommendation
Lithium-ion Cell Assembly & Filling -40°C to -60°C Dew Point Moisture reacts with LiPF6 forming corrosive Hydrofluoric Acid (HF) Turn-key Low Dew Point Dry Room System
Next-Gen Solid State & Lithium Metal -60°C to -70°C Dew Point Violent oxidation of metallic lithium foils during web calendering DHU Dual-Rotor Ultra-Low Desiccant Dehumidifier
Electrode Coating Solvents ≥99% Solvent Retention Atmospheric VOC emissions and costly raw solvent loss ZJRH Series NMP Solvent Recovery Skid
Marine Blasting & Tank Lining ≤30% RH (Air DP < Steel Temp by 5°C) Flash rusting on bare steel prior to epoxy primer adhesion Compact Portable Desiccant Dehumidifier Skid
Pharmaceutical Effervescent Packaging 10% to 25% RH Premature bubbling, caking, and active enzyme degradation Rotary Desiccant Dehumidifier GMP Sanitary Series
Defense & Strategic Avionics Preservation ≤40% RH (Ambient Temp) Corrosive electrolytic oxidation on gold-plated connectors GJB-Compliant Stationary / Mobile Dehumidifiers
Future Technology Roadmap

Next-Generation Industrial Dehumidification Horizons

Industrial sustainability requires decoupling deep dehumidification from massive thermal regeneration loads. DryAir's engineering team is developing cutting-edge thermodynamic breakthroughs.

Heat Pump Regeneration Coupling

Traditional desiccant wheels require 120°C to 140°C thermal regeneration via direct electric or steam heating. DryAir is pioneering multi-stage heat pump waste energy recovery loops that cut total operational energy requirements by up to 40%.

Predictive Cloud Micro-Dew Point Control

By pairing edge sensors with industrial IoT telemetry, our latest compact portable skids automatically modulate rotor speed, reactivation airflow, and chill-water valves in response to real-time outdoor weather fronts and occupancy loads.

Advanced MOF Adsorption Rotors

In partnership with university chemical laboratories, DryAir is testing Metal-Organic Framework (MOF) coated rotors that exhibit ultra-steep water uptake isotherms, enabling desorption at far lower regeneration temperatures (<80°C).

Global Compliance

Full Certification & Worldwide Lifecycle Service

Cross-border equipment acquisition requires strict adherence to international electrical, mechanical, and pressure vessel codes. DryAir machines arrive certified and ready for connection anywhere on the planet.

Global Regulatory Approvals

Depending on destination specifications, DryAir units are certified under CE (LVD/MD/EMC) for Europe, UL/CSA for North American electrical panels, ASME for pressure vessels, and EAC for Eurasian customs.

Overseas Field Commissioning

Our senior commissioning engineers deploy globally for on-site duct balancing, FAT, SAT, and dew point validation. We have successfully delivered field deployments for leaders like Tesla, Northvolt, and TTI.

2-Year Extended Service Packages

International buyers can opt for our comprehensive 2-year service agreement which includes remote telemetry diagnostics, rapid air-freight spare parts supply, and scheduled technical inspections.

Engineering FAQ

Frequently Asked Questions by Industrial Buyers

Straightforward answers regarding performance limits, compact system mobility, lead times, and global service provisions.

What is the lowest dew point a DryAir desiccant dehumidifier can achieve?
Our specialized dual-rotor desiccant dehumidification systems consistently supply dry air down to a verified minimum of -70°C dew point. This level of moisture deprivation is critical for lithium battery electrolyte filling, solid-state cell fabrication, and high-purity aerospace cleanrooms.
What advantages do compact portable dehumidifiers offer over central HVAC?
Compact portable dehumidifiers provide agile, localized moisture extraction without requiring complex fixed ducting networks. Mounted on casters or forkliftable skids, they can be deployed directly into temporary marine blast enclosures, pharmaceutical transfer corridors, pilot battery test chambers, and post-water-damage restoration sites at a fraction of central system installation costs.
Do you supply complete turnkey dry rooms for international facilities?
Yes. DryAir provides turnkey EPC dry room installations overseas covering process load consulting, psychrometric simulation, factory pre-fabrication, international shipping, on-site structural assembly, low-leak duct balancing, and dew point certification. We have delivered completed facilities for international partners such as Tesla, Northvolt, and TTI.
Which export certifications are available for North American & European markets?
Every system can be configured to comply with regional directives: CE Marking (Low Voltage, Machinery, EMC Directives) for the European Union, UL/CSA standards for industrial control panels in North America, ASME for pressurized heat exchangers, and EAC for EAEU territories.
What solvent recovery rate can your NMP systems guarantee?
DryAir NMP solvent recovery systems achieve a guaranteed capture rate exceeding 99% on lithium-ion cathode coating and drying exhaust lines. This allows plants to directly recycle expensive solvent, drastically reducing operating chemical costs while surpassing regional VOC stack emission regulations.
What international warranty and technical support programs are provided?
In addition to standard factory warranties, overseas clients can enroll in our 2-year extended support program. This includes 24/7 remote IoT diagnostics, priority airfreight dispatch of replacement components, and scheduled on-site maintenance by our certified field technicians. Visit our Global Service page for details.
Complete Industrial Catalog

Explore Full Product Lines & Systems Architecture

Shortlist systems from our factory line for your procurement proposal. Each unit is customized to match process air volume, latent moisture load, and utility availability.

DryAir rotary desiccant dehumidifier unit Standard Series

Industrial Desiccant Skid

Ruggedized moisture extraction for defense, ammunition storage, and large commercial warehousing environments.

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VOC abatement system with condensation and RTO Cryo + RTO

Industrial VOC Abatement

Engineered for petrochemical refineries, chemical synthesis facilities, and industrial spray application lines.

Abatement Solutions
Battery dry room installation Turnkey Modular

Gigafactory Battery Dry Room

Multi-zone humidity balancing from cell winding down to automated vacuum baking and electrolyte injection corridors.

Dry Room System EPC
NMP solvent recovery system for electrode coating Closed Loop

Electrode Coating NMP Recovery

Continuous condensing and heat exchanger loop preventing solvent stagnation while returning clean air to process ovens.

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Ultra low dew point dehumidifier -70°C Control

Low Dew Point Air Handler

Dual-wheel cascaded desiccant machinery designed specifically for pouch cell and prismatic battery assembly.

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Petrochemical emission system Heavy Industry

Hydrocarbon Condensation Unit

Multi-stage deep refrigeration condensing oil gas vapors down to compliant liquid state for immediate collection.

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Cleanroom dehumidification unit Cleanroom Tech

Sanitary GMP Air Dehumidifier

Designed for API synthesis, sterile powder packaging, and biomedical device cleanroom environmental management.

Pharma Air Systems
Refrigerative cooling dehumidification unit Heavy Industrial

Direct Expansion Pre-Cooler

High-reliability mechanical refrigeration condensers removing gross bulk moisture loads before final desiccant polishing.

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Direct Factory Procurement

Request an Engineering Consultation & Custom Sizing

Connect directly with our senior application engineers in Hangzhou. Share your target room dimensions, ambient seasonal weather parameters, sensible/latent loads, and target dew points for a comprehensive psychrometric calculation and competitive CAPEX quote.

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