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ETENZ Manufacturing

Building a trusted industrial foundation for a modular world

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Global Contract Manufacturer for Modular Infrastructure

Every step forward in the digital age depends on quiet, precise industrial containers behind the scenes. Since 2002, ETENZ has worked along this industrial path, turning customer specifications for modular enclosures and E-Houses into robust, precise, and verifiable physical products through contract manufacturing and system integration.

Our work is built around integrated modular enclosure delivery, covering five subsystem areas: power distribution, environmental control, thermal management including precision air-cooling and liquid-cooling options, fire protection, and security and surveillance. The engineering workflow spans heavy steel fabrication, electrical integration, electromechanical assembly, and factory acceptance testing. ETENZ products support global applications including modular data centers, high-density compute enclosures, battery energy storage systems, E-Houses, power distribution facilities, and industrial process control centers.

ETENZ works with global customers through contract manufacturing models, including OEM, ODM, and customer-brand customization. Our scope is focused on factory-side manufacturing, integration, and factory acceptance. Production and testing are aligned, where applicable to each product line, with international frameworks such as UL, CE, IEC, and NFPA, so every enclosure delivered by ETENZ can become a trusted physical anchor for customer brands in global markets.

Partners

Core Capabilities

Custom Engineering Support

Multidisciplinary Seamless Collaboration

ETENZ works with customer engineering requirements across structural, electrical, thermal management, and control-system needs to support buildable modular infrastructure solutions.

Our manufacturing process combines structural fabrication, electromechanical assembly, system integration, commissioning support, and factory checks according to project requirements.

Factory-built modular platforms can help reduce on-site installation complexity and support more predictable delivery coordination for domestic and international projects.

Certifications & Compliance References

Documentation scope and applicability may vary by product configuration and project requirements.

UL
CSA
CCC
CE
ETL
RoHS
TUV
ISO 9001

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Our Journey

2002

ETENZ Electrical Founded

ETENZ established a switchgear enclosure production line in Fengxian, Shanghai, building early engineering capability around electrical equipment structures.

2003

Supplier for Shanghai Yikai Electric

With support and guidance from Shanghai Yikai Electric, ETENZ continued to improve product quality, manufacturing processes, and delivery coordination.

2004

Strategic Partnership with Shanghai Yikai Electric

ETENZ built an electrical prefabricated enclosure production line for Shanghai Yikai Electric and began developing its OEM business.

2006

OEM Supplier for GE Plus Switchgear

Through cooperation with General Electric, ETENZ established a high-end switchgear enclosure production line and further strengthened process control and quality management.

2008

Supplier for International Electrical Companies in China

As switchgear enclosure manufacturing capability continued to improve, ETENZ began serving more domestic and international electrical equipment companies.

2011

R&D-Level Partner for Sungrow

ETENZ supported Sungrow in completing an inverter prefabricated enclosure product and establishing an inverter prefabricated enclosure production line.

2013

Prefabricated Enclosure Supplier for Sieyuan Electric

Through cooperation with Sieyuan Electric, ETENZ further upgraded its prefabricated enclosure production line and strengthened project-based manufacturing and delivery capability.

2016

Prefabricated Enclosure Supplier for NARI

Cooperation with NARI supported the application of ETENZ prefabricated enclosure products across power and new energy scenarios.

2021

R&D-Level Partner for a U.S. Customer

ETENZ developed a data center prefabricated enclosure and established a related production line, extending modular integration capability into digital infrastructure.

Present

Continued Focus on Enclosure and Integration Technologies

ETENZ continues to focus on electrical equipment enclosures, prefabricated enclosures, and modular integration products, providing stable engineering manufacturing and delivery support for partners.

Company development timeline background