2002
ETENZ Founded
ETENZ established a switchgear enclosure production line in Fengxian, Shanghai, building early engineering capability around electrical equipment structures.


Prefabricated enclosure manufacturing partner for energy and digital infrastructure
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ETENZ specializes in designing and manufacturing prefabricated enclosures and integrating the systems inside them, serving the power, renewable energy, data center and industrial sectors. Founded in Shanghai in 2002, the company started out building switchgear enclosures and has long supplied power and renewable energy equipment makers in China and overseas. More than two decades on, enclosure manufacturing is the core of its business, supported by the integration of five systems: electrical, thermal management, environmental control, fire protection and security.
ETENZ products span electrical, new energy, compute, water treatment and custom enclosures. Each enclosure is designed around the equipment it houses and the environment it operates in, in standard 10, 20 and 40 ft sizes or built to order.
To reduce site work and make delivery more predictable, ETENZ installs and wires all five systems at its factory and ships each enclosure as a complete unit.
Customers can buy the enclosure alone or selected systems, or commission OEM/ODM production under their own brand. Tier-one equipment integrated inside remains traceable to its source and keeps the original manufacturer's warranty.
ETENZ operates a 70,000 m² manufacturing site in Fengxian, Shanghai, with more than 500 employees, and builds over 5,000 electrical equipment housings and prefabricated enclosures a year. The company holds ISO 9001, ISO 14001 and ISO 45001 management system certifications and factory approval from the American Bureau of Shipping (ABS). Production and testing reference IEC, UL and NFPA standards and EU CE requirements, as applicable to each product line.
To date, ETENZ products have been sold in more than 20 countries and regions and delivered to over 3,000 projects.

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







































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