Aerial view of Domex-E Deqing factory — turbocompressor and ALT expander skid integration base

About

Partnering Across the Full Turbomachinery Lifecycle

2009 FoundedDeep expertise in turbomachinery
230+ units deliveredto customers worldwide
100+ engineerscovering aerodynamics, mechanical, I&C, and digital
5 locationsHangzhou · Shanghai · Xi'an · Shenzhen · Huzhou

Focused on turbomachinery system integration

Founded in 2009 and headquartered in Hangzhou—China's hub for industrial gases—Domex-E is Siemens Energy®'s Greater China Skid Integrator for integrally geared air separation compressors and Air Liquide® ALT's global skid integration center for expanders. We do more than deliver once—we partner with customers across the full turbomachinery lifecycle.

Domex-E DOMEX-E campus logo wall

We treat the reliable operation
of every unit as a long-term trust to uphold.

We aim to be a long-term, trusted partner in turbomachinery systems. Across the full equipment lifecycle, we integrate selection, integration, skid packaging, O&M, spare parts, and retrofit capabilities so customers receive stable, professional, ongoing support at every stage. This approach defines how we choose partnerships, build our teams, and measure our value.

Field engineer inspecting a unit — keeping customer equipment running efficiently
Domex-E nationwide business footprint and service network

Nationwide presence,
broad coverage

From our Hangzhou headquarters, we have built a service network across eastern, southern, and western China, supported by factory-based skid packaging and spare parts logistics. Our reach extends from China to Asia and Europe, delivering stable, professional support to a growing customer base.

Toward a low-carbon, efficient industrial future

We are committed to a more efficient industrial future—helping customers reduce energy consumption and emissions through turbomachinery optimization, energy efficiency retrofits, and full-lifecycle services while keeping critical equipment running reliably.

Energy Efficiency Retrofit
Domex-E — low-carbon industrial efficiency and energy-saving factory
Domex-E textbook donation — bringing engineering experience back to the classroom

Passing on knowledge,
supporting the engineers of tomorrow

Industrial progress depends on developing talent across generations. Domex-E established a university textbook fund to support professional curriculum development—bringing knowledge in turbomachinery, fluid machinery, and automatic control back into the classroom to support the next generation of engineers.Read the textbook fund story

Process Equipment Design: Pressure Vessels (6th Edition) — cover
Textbook · Volume 1

Process Equipment Design: Pressure Vessels (6th Edition)

A nationally recognized textbook edited by Zheng Jinyang and Sang Zhifu, published by Chemical Industry Press. Through our textbook fund and university partnerships, Domex-E brings systematic knowledge of process equipment and pressure vessels back to the classroom, helping the next generation of engineers build a solid foundation.

01 Published More volumes · Coming soon