1 published equipment referenceLatest source review 2026-10-07
01 / COMPANY
What this manufacturer offers
Jingjiang Chunfeng Air Conditioning Equipment Co., Ltd. describes two principal offers: central-air-conditioning terminal equipment and fire-related ventilation products. Its official address is No. 15 Tuanjie Industrial Park in the Chengbei area of Jingjiang’s economic development zone. The introduction lists fresh-air treatment equipment, fan-coil units, variable-air-volume equipment, dampers, silencers, vibration isolators, fans and air outlets.
The YDF product page gives a more specific starting point. It identifies A and B forms and describes new nozzles with manual multidirectional adjustment. Listed uses include underground parking areas, stadiums, exhibition halls, indoor pools, airport halls, warehouses, supermarkets and large industrial workshops. Those are intended application categories, not independently documented project references.
The page’s numerical airflow entries have no clear units or speed/model mapping. They are therefore not converted into published airflow ratings here. This is a particular documentation gap in Chunfeng’s YDF page, and it matters more to a usable enquiry than a general statement that the fan is efficient or easy to install.
Published location
No. 15 Tuanjie Industrial Park, Chengbei area, JingjiangOfficial company address. Factory output and equipment inventory are not verified by the address. Source
YDF forms named
YDF-A and YDF-BTwo forms identified in the product publication without a complete selected model schedule. Source
Nozzle description
Manual multidirectional adjustmentManufacturer-published nozzle feature. No quantified throw or induced-flow result is supplied in the reviewed text. Source
Swipe the table, or focus it and use arrow keys, to read conditions and sources.
Manufacturer-published information · YDF-A / YDF-B
Parameter
Published value
Conditions and evidence
Forms named
YDF-A and YDF-B
Manufacturer text identifies both; exact designation and configuration schedule missing. Source
Nozzle feature
Manual multidirectional adjustment
Supplier description, supported by outlet photographs; no quantified angle, throw or induced-flow ratio. Source
Published airflow strings
A: 3600 6000; B: 630–850 / 985–1350
Units and operating mapping absent. Not treated as numerical ratings. Source
Original image evidence
Box/nozzle assemblies and alternative forms
Actual two images viewed; no model labels or rating schedule recovered. Source
Intended spaces named
Parking garages, halls, pools, airports, warehouses, supermarkets and workshops
Application categories, not verified project references or sizing rules. Source
03 / PROJECT REVIEW
Chunfeng: an induction-fan enquiry needs more than the listed figures
A and B have figures, but the figures are incomplete
The official text places 3600 and 6000 beside YDF-A and the ranges 630–850 and 985–1350 beside YDF-B. It gives no clear airflow units, explanation of the two entries or mapping to individual variants. The diameter line also contains an unclear symbol before 250 and 280. No millimetre diameter or m³/h rating has been reconstructed from those strings. (Source 2.)
YDF-A publication
The page names A and shows two unqualified airflow figures. A buyer still needs the exact model, units, speed and test/selection conditions; these values are not treated as a verified minimum-to-maximum range.
The page names B and shows two ranges without their operating basis. Confirm what each range describes and obtain the corresponding curve before comparing it with the A arrangement.
Nozzle adjustment needs a layout, not an assumed throw
The product’s manually adjustable nozzle feature makes outlet direction a real part of the enquiry. The reviewed page does not give a quantified throw, induced-air ratio, coverage area or a complete nozzle-angle schedule. We have not inferred any of those values from the photographs. (Source 2.)
For an underground parking or large indoor-space proposal, ask for a project arrangement showing the chosen fan positions, nozzle directions and the relationship to supply and extract points. Identify beams, walls, access routes and the permitted mounting envelope. The supplier should explain how the proposed arrangement serves the actual space; the catalogue’s application list is not a design for the buyer’s building.
Keep the fan’s own delivered airflow separate from any claim about induced circulation in the room. Until the supplier identifies what the published figures measure, adding or multiplying them into a whole-space ventilation rate would create an unsupported result.
A normal ventilation reference is not a smoke-exhaust approval
Chunfeng’s company introduction says its fire-related product series passed inspection at a national fire-equipment quality-supervision inspection centre. The readable text does not identify the report, tested model or applicable conditions. The YDF page itself does not provide a model-matched temperature-and-duration report. That broad company statement has not been applied as a YDF smoke-exhaust certification. (Sources 1 and 2.)
Documented on the site
The business offers both terminal equipment and fire-related products, and advertises an inspection claim for the latter. The YDF publication names indoor-space applications and adjustable nozzles.
If a quotation proposes YDF for a fire-related duty, obtain the exact designation and the original applicable evidence. Match the model, arrangement and temperature/duration scope rather than relying on a company-level claim.
Define installation and service responsibilities
The company advertises pre-sales, sales and after-sales systems, but its introduction does not establish an overseas installation team, spare-parts stock or contractual response period. The YDF page describes convenient installation and maintenance without a complete installation manual. Those are supplier descriptions rather than commitments for a specific project. (Sources 1 and 2.)
A useful quotation should include the selected fan drawing, mounting method, access requirements, electrical and control interface and responsibility for adjusting the nozzles during commissioning. If the offer includes dampers, silencers or vibration isolation from the wider catalogue, identify them explicitly. Their presence elsewhere in the catalogue does not mean they are included in the YDF price.
Research status and the next technical submission
Official company and YDF pages were individually read for this manuscript. The most important unresolved items are an unambiguous numerical selection sheet, the exact A/B configuration and any model-matched evidence required by the intended duty. No founding date, production capacity or certificate validity has been invented to fill those gaps.
An authoritative-source search found a municipal supervision-list result, but the original page could not be verified: the browser encountered a certificate-name error and a separate retrieval timed out. No inspection outcome, compliance finding or identity confirmation is published from that search result. It remains an access-limited research lead. A readable primary record and a selected YDF technical package would allow the review to be expanded without copying assumptions from another supplier.
07 / TRANSPARENCY
Sources and review scope
Compiled by HVACDeck Editorial. Page review: 2026-10-07. Publications are attributed below; their statements are not independent measurements by this platform.
Chunfeng official company introduction — source 1Checked 2026-10-07 · Individually read: Jingjiang address, terminal/fire product scope and general inspection/service statements. No exact report or verified capacity supplied.
YDF induction-fan publication — source 2Checked 2026-10-07 · Individually read: A/B forms, adjustable nozzles and intended uses. Airflow units and variant mapping unclear; no numerical rating reconstructed.
Original nozzle-box collageChecked 2026-10-11 · Actual image viewed: multiple box/nozzle forms, without A/B labels or numerical ratings.
