Integrity
Trust is built on integrity.
Innovation and intelligent production · leading technologies · rooted in quality orientation — your trustable global business partner.

DBS Cooling Technology (Suzhou) Co., Ltd began in 2011 as Chuyuan Machinery in Wuzhong District, making air-to-air heat exchangers. It was rebranded DBS in 2017 and moved into a purpose-built 12,000 m² base in Wujiang, Suzhou.
Today the company builds environmental control units for telecom operators, storage integrators, grid utilities and medical OEMs in more than sixty countries.
Chuyuan Machinery founded in Wuzhong District, producing air-to-air heat exchangers.
Capacity expanded for precision sheet metal and aluminium/copper coil processing.
Rebranded DBS Cooling Technology (Suzhou); 12,000 m² Wujiang base launched and relocation completed.
In-house R&D and production of the full environmental control unit range begins.
Shipments reach customers on every continent outside Antarctica.
The tenth anniversary, marked at the Wujiang base.
Keeping tooling and test in-house is what lets a custom bracket ship in weeks instead of quarters — and what lets us stand behind a performance number with our own chamber data.



Certification varies by model. The catalogue lists the marks held per part number — check the model table or ask us for the certificate.
The range has been migrating away from high-GWP refrigerants as market approvals allow. R134a is retained only where an existing certification or customer specification requires it.
Trust is built on integrity.
Diligent dedication shapes a brighter future.
Embrace profound care in all we do.
Reject shortcuts, uphold superior craftsmanship.
Customers are welcome at the Wujiang base. Suzhou is 25 minutes from Shanghai Hongqiao by high-speed rail.