Procurement
How to specify an air compressor
If the RFQ only says “compressor, China”, a plant cannot price it. Start with architecture, then the duty point, then the papers.
What belongs on the RFQ
Write the duty point
Write working pressure in bar(g). Write FAD at that pressure, or the process that implies flow. Write motor kW or the site electrical limit. Write 50/60 Hz and voltage. Write oil-injected or oil-free and the ISO 8573-1 class if it matters.
Then quantity, destination, FOB China port or CIF named port, packing, and whether a third-party inspection is required before loading. That is a sheet a plant engineer can answer. A brochure comparison is not.
CompressorB2B is the English specification desk. We route that sheet to listed Chinese manufacturing plants. We do not take the PO.
- Architecture (screw, oil-free, piston, centrifugal, PET, refrigeration, gas)
- Working pressure in bar(g)
- FAD at that pressure
- kW or site limit, voltage, frequency
- Certificates actually required
- Quantity, inspection, Incoterm
Matching plants
Factories whose series can hold it
The plant remains the seller. Quotes are comparable because the RFQ is the same sheet.
| Plant | Cluster | Specialty | Documents | Export |
|---|---|---|---|---|
OSG
Shanghai Jiading
|
Shanghai | XD direct-drive and EX fixed-speed screw; cooling variants · Plant-air treatment and service scope |
|
Export ready |
SAYI
Wenling East New District 23rd Street
|
Wenling | YMF and BMF PM variable-speed screw compressors and separate oil-free scroll packages |
|
Export ready |
Huitong Xinda
Qingdao Jimo
|
Qingdao | Two-stage screw · Laser-cutting air and low-pressure screw equipment |
|
Export ready |
Haigair
Qingdao Jiaozhou
|
Qingdao | Fixed-speed · Single-stage PM VSD and two-stage PM VSD screw air compressors in Qingdao Jiaozhou |
|
Export ready |
Dehaha
Qidong
|
Nantong | CPM single-stage and CPDM two-stage PM screw; DCO modular oil-free scroll |
|
Export ready |
Risan
Wenling
|
Wenling | Single-stage and two-stage PM VSD screw; RG/RKG laser-cutting integrated air packages |
|
Export ready |
Hitachi Sullair
Suzhou Industrial Park
|
Suzhou | Sullair stationary oil-flooded screw · DS dry oil-free screw and diesel portable air |
|
Export ready |
UNIGY — Luoyang industrial gas compressors
Luoyang
|
Luoyang | Oil-free reciprocating gas and PET packages; nitrogen boosters; separate UNI screw air range |
|
Export ready |
Shaanxi Yishan Compressor — Xianyang
Xianyang
|
Xianyang | SGF diesel screw; YSBP electric PM VSD screw; DLGF electric two-stage mining screw |
|
Export ready |
Guangdong Ecoair
Foshan Sanshui
|
Foshan | PM variable-speed · Two-stage and oil-free screw compressors |
|
Export ready |
B&D
Foshan Sanshui
|
Foshan | PM VSD screw · Low-pressure PM VSD · Laser-cutting packages |
|
Export ready |
Ningbo Deman Compressor
Cixi
|
Ningbo | DDVe two-stage screw · ZZV PM VSD screw · LDV low-pressure screw |
|
Published series
Catalog rows — not invented SKUs
Where a factory published a series, it is listed. Empty kW / FAD cells are confirm-on-RFQ.
| Catalog ref. | Type | Power | Pressure | Flow | Air quality | Plant | |
|---|---|---|---|---|---|---|---|
 KAISHAN-LGKaishan LG stationary screw air compressors
|
Rotary screw | Selected LG model | Selected duty pressure | Selected flow and reference | — | Kaishan | RFQ |
| LIUTECH-LU-IILU II large two-stage oil-injected screw compressors | Rotary screw | 250–355 kW · overview band | Model-specific duty to be agreed | 45–72 m³/min · overview, not duty row | — | LIUTECH | RFQ |
 SOLLANT-FIXED-SCREWSollant 11 kW rotary screw air compressor
|
Rotary screw | 11 kW | 7–12 bar · selected configuration | Selected-pressure capacity to be agreed | — | Sollant | RFQ |
 HANDE-TWOSTAGE-PMHD-EPM2T two-stage PM variable-speed screw compressors
|
Rotary screw | 37 kW · HD-EPM2T37 example | 0.5 / 0.8 / 1.0 / 1.25 MPa | 6.8 m³/min at 0.8 MPa · HD-EPM2T37 | — | Hande | RFQ |
 GANEY-OGOG / SOGFD air-cooled single-screw compressors
|
Rotary screw | 22 kW · SOGFD22 group | 0.7 / 0.8 / 1.0 / 1.25 MPa | 3.4 m³/min at 0.8 MPa · SOGFD22 | — | Ganey | RFQ |
 AE-APMAPM / APM-S permanent-magnet screw compressors
|
Rotary screw | 37 kW · APM37A / APM37A-S examples | — | Pressure-matched delivery to be agreed | — | Zhongshan AE Machinery | RFQ |
 AIRHORSE-OIL-INJECTEDAirHorse direct-drive oil-injected screw compressors
|
Rotary screw | 30–520 HP · published family range | Selected AHD model and duty to be agreed | Delivery at selected pressure / reference basis | — | AirHorse | RFQ |
| CROWNWELL-OIL-INJECTEDCrownwell CWD oil-injected screw compressor versions | Rotary screw | 22 kW · selected CWD22 examples | 7 / 8 / 10 / 13 bar(g) · selected row | CWD22: 3.8 at 7 / 2.8 at 13 bar(g) | — | Crownwell | RFQ |
 UNITED-UD-VPMUnited UD-VPM single-stage permanent-magnet VSD screw compressors
|
Rotary screw | — | — | — | — | Shanghai United | RFQ |
 XINDA-XGPTXinda AUGUST XG(P)T two-stage screw selection
|
Rotary screw | — | — | — | — | Ningbo Xinda Screw Compressor | RFQ |
 KOBELCO-KOBELIONKOBELION VS IV oil-injected screw compressors
|
Rotary screw | 22–75 kW · VS IV range | 0.4–0.8 MPa table points · selected variant | VS22: 4.22 m³/min at 0.7 MPa | — | Kobelco | RFQ |
| DEMAN-DDVEDeman DDVe two-stage screw compressor family | Rotary screw | 11–450 kW · family overview | 0.5–0.7 MPa · family overview | 2.8–93 m³/min · family capacity | — | Ningbo Deman Compressor | RFQ |
FAQ
Before you send the sheet
What if I do not know FAD?
Describe the process: table count, bottle cavities, tools, hall machines. Plants can propose FAD; they cannot invent your process.
Who is the seller?
The manufacturing plant. This desk issues the English duty sheet.
How to specify an air compressor: Voltage and frequency matter as much as bar. Typical first reply: 1–2 working days after the plant confirms it can hold the duty.
Issue RFQ