OEM/ODM Waterproof Charging Enclosure Manufacturers & Exporter

Precision Industrial Engineering, Advanced IP-Rated Protection, and Global Infrastructure Solutions

The Macro Landscape of EV Charging Enclosure Systems

As global transportation undergoes a massive electrification paradigm shift, infrastructure developers require highly resilient, secure, and thermally optimized environmental barriers.

Over the last decade, the global distribution of EV Fast Charging stations has progressed from indoor pilot structures to ruggedized, all-weather municipal installations. These critical assets operate continuously in aggressive settings—from coastal areas high in saline spray to arid configurations exposed to solar radiation and micro-dust. A charging station's reliability is dictated by the structural capabilities of its outer enclosure.

As smart grids evolve, charging enclosures are no longer just simple physical casings; they are active thermal, electromagnetic, and structural management systems. Incorporating complex power topologies, sensitive RFID/NFC access units, and microprocessors requires a protective standard that prevents moisture ingress while handling heat loads generated by high-kilowatt power modules.

By executing detailed OEM and ODM design frameworks, Zhejiang Midwest Charger Co., Ltd. addresses these macro industry issues. We combine structural mechanics, advanced seal chemical technology, and tailored industrial designs to build enclosures that protect critical electrical systems over decades of field operation.

12+
Years Experience
In High-Performance Manufacturing
8k+
Sqm Factory
State-of-the-Art Facilities
20+
Global Markets
Exported to US, UK, DE, FR & more

Engineering Engineering & Materials Science

Understanding the critical mechanical attributes that distinguish custom waterproof charging enclosures from standard industrial junction boxes.

Ingress Protection (IP65, IP66, IP68)

We deploy continuous liquid gasket technologies alongside double-channeled overlapping seams. Our IP68 rated standalone access configurations ensure protection against permanent water immersion and micro-particulate dust ingress.

Thermal Equilibrium & Flow Dynamics

Integrating high-efficiency 50kW power units demands balanced air circulation. Our enclosure configurations leverage active heat exchangers and hydrophobic breathing valves to equalize inner and outer pressure differentials.

Impact Resistance & Vandal Deterrence

Leveraging high-tensile 304 or 316 structural stainless steel, our sheet metal profiles guarantee IK10 impact protection, preventing structure warping, environmental shearing, and mechanical wear.

Material Class Tensile Strength (MPa) Corrosion Resistance Index Target Enclosure Application IP Capabilities
Marine Grade Stainless Steel (SUS316) ≥ 515 Excellent (Saline & Coastal) Offshore & Highway Charging Stations IP65, IP66, IP67
Structural Carbon Steel (SPCC + Coating) ≥ 270 High (Double Powder Coated) Residential Wallboxes & Hub Enclosures IP65
Reinforced UV Polycarbonate ≥ 60 Excellent (Chemical Resistance) Smart Interface Panels & RFID Readers IP68

About Us

Zhejiang Midwest Charger Co., Ltd. is a leading high-tech enterprise based in China, specializing in the research, development, production, and sales of electric vehicle (EV) charging equipment. Our diverse product portfolio includes home AC charging stations, portable AC chargers, and high-performance DC fast charging stations suitable for residential, commercial, and public applications.

With a strong commitment to innovation and excellence, we aim to provide safe, reliable, and efficient EV charging solutions to meet the evolving needs of global customers. With over 12 years of manufacturing experience, we support both ODM and OEM services, enabling customized solutions for diverse market needs. Our R&D team focuses on innovative design, energy efficiency, and intelligent charging management to ensure each product meets the highest standards of performance and safety.

Zhejiang Midwest Charger Co., Ltd. Production Line

Our Vision

Our corporate vision is to make EV charging safer, smarter, and more accessible. We strive to be a first-class enterprise and build an internationally recognized brand. By continuously advancing technology and adhering to strict quality standards, we aim to lead the EV charging industry toward a more sustainable and electrified future.

Global Reach

Through our dedicated efforts, Zhejiang Midwest Charger Co., Ltd. has successfully exported products to over 20 countries, including the United States, the United Kingdom, Germany, France, and more. Our products comply with CE, CQC, and other international and domestic quality certifications, and we hold multiple invention patents for our proprietary technologies.

Quality Control

Quality and safety are the cornerstones of our product philosophy. Each product undergoes rigorous testing and verification before entering the market. We carefully select suppliers for every component and perform regular inspections on all marketed products. Our commitment extends to comprehensive after-sales service, where our professional team follows up on all customer concerns until fully resolved.

Corporate Philosophy

At Zhejiang Midwest Charger Co., Ltd., we believe in collaboration and continuous improvement. We sincerely invite like-minded partners from around the world to join us in advancing EV charging technology, capturing the golden era of electric mobility, and building a greener, smarter future together.

Zhejiang Midwest Charger Co., Ltd. Global Quality Assurance

Localization & Regulatory Compliance Matrix

Ensuring seamless mechanical integration with local grid standards and global environmental protection certifications.

Standards Conformity & Certification

For an infrastructure component to be deployed in global territories, it must meet specific national and regional standards. In North America, NEMA 3R, 4, and 4X standards govern enclosure design, dictating levels of protection against windblown dust, rain, and external ice formation. In the European Union, similar parameters are defined under standard IEC 60529 (IP Ratings).

Our engineering services map out these variations at the initial design phase. This includes adjusting material thickness, deploying specific gasket compounds, and selecting local component slots such as Type 2 connector slots in Europe or CCS1 in North America. This structured engineering approach guarantees that our clients receive products ready for compliance testing in their respective target markets.

  • CE & CQC Compliance: Integrated design guarantees verification capabilities for European and Asian electrical standards.
  • NEMA-equivalent Protection: Structural enclosure profiles configured to clear NEMA 4X salt-spray corrosion tests.
  • IK10 Certified Shells: Providing mechanical protection against impacts up to 20 Joules.

Localized Application Scenarios

Our custom setups are modified to suit specific environment classifications:

1. Coastal & Maritime Settings: Deployment of SUS316 enclosures finished with protective fluorocarbon coatings to prevent salt fog degradation and pitting corrosion.

2. Extreme Arid & Desert Zones: Dual-layer thermal venting configurations combined with micro-mesh sand filters and active pressure relief valves.

3. High-Density Urban Hubs: Anti-graffiti textured powder coatings, hidden hinge mechanics, and robust locking systems to minimize access tampering.

OEM/ODM Technical Roadmap & Future Outlook

Exploring upcoming innovations in protective enclosure systems, dynamic thermal control, and smart integration.

AI-Assisted Thermal Regulation

Integrating adaptive ventilation systems that adjust fans and thermal dampeners based on external ambient conditions and internal load characteristics.

Eco-friendly Composite Synthetics

Testing structural bio-composites and recyclable polymers to reduce overall component weight and lower the carbon footprint of structural chassis systems.

Integrated IoT Sensor Arrays

Embedding real-time relative humidity, mechanical stress, door intrusion, and environmental sensors connected to remote central processing interfaces.

Industrial & Engineering FAQ

Addressing key technical questions from procurement departments, infrastructure managers, and design engineers.

What is the mechanical difference between IP65 and IP66 enclosures for charging stations?

An IP65 enclosure protects against water jets projected by a nozzle (6.3 mm) from any direction. IP66 enclosures protect against more intense water ingress, such as high-pressure heavy seas or powerful water jets (12.5 mm nozzle). For public highway stations exposed to driving rain and washdowns, we recommend IP66 or above.

How does Zhejiang Midwest Charger address the heat generated by 50kW+ DC charging modules inside sealed housings?

We use active cooling strategies combined with internal air baffle layouts. This isolates high-temperature modules and routes air through designated thermal exchange pathways, avoiding moisture ingress while preventing critical components from overheating.

Can you manufacture custom configurations based on client-provided architectural CAD blueprints?

Yes. Our R&D engineering department specializes in OEM and ODM development. We accept STEP, DWG, and IGES file formats, working closely with client engineering teams to build custom sheet metal designs and integrate smart interfaces.

What surface treatments are available to prevent rust in marine applications?

We use a multi-stage pretreatment wash followed by an epoxy basecoat and an exterior polyester powder topcoat. For marine environments, we recommend starting with a high-grade SUS316 stainless steel substrate.