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What we make, and what that changes for you

Units, coils, panels and control come out of the same factory that designs your room. That is why we can commit to a temperature instead of assembling parts from three suppliers and hoping they agree.

Units Air coolers Condensers Panels Valves & doors Ice making Turnkey

Four product groups

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Refrigeration units assembled at the Qihe plant — **01 · Refrigeration units**Piston, piston-parallel, screw, two-stage and box-type units, plus pump-barrel packages. Assembled, pressure-tested and run-tested in our own workshop. Range covers chilled duty down to deep-freeze, air- or water-cooled.

Air-cooled condensers on the production floor — **02 · Air coolers & condensersDD / DL / DJ** ceiling coolers — 36 models, 2.1–68 kW — fin spacing chosen by room temperature (4.5 mm chilled, 6.0 mm at −18°C, 9.0 mm at −25°C and below). **SFNB / SFNH** air-cooled condensers — 22 models, 10–145 kW heat rejection.

Insulated panel production — **03 · Insulated & clean panels**Wall, ceiling and floor panels, plus clean-room panels for processing areas. Thickness and core follow the room temperature and the temperature difference across the panel. Panel width, maximum length and joint type are made to your drawing, not picked from a catalogue.

Production line — **04 · PLC & control**Parallel-unit controllers and PLC-based central control: compressor sequencing, defrost scheduling, alarms and remote monitoring for unattended rooms. Supplied with the panel and the units, wired and tested before dispatch.

Also supplied alongside: ice making equipment (flake, tube, block and cube machines, ice storage and delivery systems, industrial chillers) and turnkey cold room scope — design, manufacture, piping, electrical, installation and commissioning.

Three decisions that drive the equipment list

Room temperature and load

Chilled holding, blast freezing and deep-freeze need different evaporating temperatures and different defrost methods. Pick the room duty first; the model follows.

Turnover, not just volume

Two rooms of the same size with different daily throughput need different capacity. Tell us tonnes in and out per day, not only cubic metres.

How it will be serviced

Who maintains it locally decides whether a single packaged unit or a parallel set is the better answer — not the catalogue.

Model tables and detailed performance data are provided against your room conditions. If you need a data sheet before talking to us, ask and we will send the relevant pages rather than a generic PDF.