1 published equipment referenceLatest source review 2026-10-07
01 / COMPANY
What this manufacturer offers
Jiangsu Chengyang HVAC Equipment Co., Ltd. presents a Jingjiang ventilation and HVAC catalogue including fan-coil units, air-handling equipment, fire dampers, fans, air outlets, silencers and fire-related duct products. Its official contact address is No. 6 Qinghe Road, Gushan Town, Jingjiang. The company introduction names machining, sheet-metal and balancing equipment, but gives no dated inventory, model list or audited production output.
The horizontal concealed fan-coil page is more specific about construction. It describes thin-wall seamless copper tubing and aluminium fins assembled by hydraulic or mechanical expansion. Its feature text also describes a copper manifold and a multiblade centrifugal fan wheel. These are supplier-published construction claims. They do not establish a selected cooling capacity, pressure rating or sound level.
Chengyang’s service page ties maintenance duration to the contract. That is useful for an enquiry, while the website’s timeline and technical-parameter links require caution: the timeline repeats catalogue wording across several years, and the reviewed parameter interaction did not reveal a selection table. This profile uses the actual product and service statements without turning those incomplete sections into a company history or numerical specification.
Published contact address
No. 6 Qinghe Road, Gushan Town, Jingjiang, JiangsuOfficial address; not a verified plant-capacity audit. Source
Reviewed coil construction
Thin-wall seamless copper tubes with aluminium fins; hydraulic or mechanical expansionOfficial concealed fan-coil description. Exact tube/fins dimensions and selected materials are not provided. Source
Maintenance duration
Defined by the contractActual after-sales text on the service page. No fixed warranty period or response-time commitment inferred. Source
Parameters and source limits · Horizontal concealed fan-coil units
Swipe the table, or focus it and use arrow keys, to read conditions and sources.
Manufacturer-published information · Horizontal concealed fan-coil units
Parameter
Published value
Conditions and evidence
Catalogue designation
Horizontal concealed fan coil
Official item title; no complete selected model designation published. Source
Actual main illustration
Unenclosed coil face, right-side connections and drain-pan extension
Original product-banner background viewed; no readable model or rated duty. Source
Water-side materials described
Copper tubes and hydrophilic aluminium fins
Supplier text; thickness, fin spacing, treatment durability and selected materials not documented. Source
Fan construction described
Balanced centrifugal wheel
Qualitative supplier claim; no airflow/pressure curve or acoustic schedule supplied. Source
Rated duty and ceiling dimensions
Not established by this item
Obtain model-specific thermal, hydraulic, fan and dimensional documents before purchase. Source
03 / PROJECT REVIEW
Chengyang: concealed fan-coil construction and service boundaries
Coil construction and fan construction answer different questions
The product page describes both the water-side coil and the air-moving assembly. Those descriptions need separate supporting details in a selection rather than one general quality label. The manufacturer also uses claims about high water pressure, long life, corrosion resistance and low noise, without a matched numerical schedule or reproduced test report. (Source 2.)
Water-side coil and manifold
The source describes copper tubes, aluminium fins, expansion bonding and a copper distribution/collection manifold. Ask for actual tube and fin specifications, connection details, allowable water conditions and the selected pressure limit.
The source describes a copper motor and a multiblade centrifugal wheel with dynamic/static balancing claims. Confirm the selected motor type, speed/control arrangement, fan duty and the numerical sound basis rather than assuming a measured acoustic result.
A concealed arrangement must fit the service space
The reviewed unit is labelled horizontal concealed, while related catalogue links name horizontal exposed, vertical exposed and cassette forms. These are installation arrangements, not interchangeable descriptions of the same selected unit. For a concealed installation, the supplier’s selection should address the ceiling space and the route for removing serviceable parts. (Source 2.)
Provide the intended chilled/hot-water temperatures, entering-air conditions and required duty, together with airflow and external static pressure if ducts are included. Ask for the matching performance schedule at the proposed fan setting and the dimensional drawing for the actual model. The reviewed publication does not provide those numerical selections.
The coil and manifold description does not settle condensate drainage. Confirm the selected drain-pan arrangement, outlet position, installation allowance, insulation and access for cleaning. Identify how motor, fan and filter servicing will occur after the ceiling is closed. These are constraints of buying a concealed unit, not verified features silently added to Chengyang’s catalogue.
The technical-parameter link did not supply a selection table
The product page has a technical-parameter navigation item. It was opened during this review, but the visible page did not display a numerical fan-coil schedule. The service/download page also displays a Chengyang sample label whose link returns to that same page rather than exposing a readable model catalogue. No capacity or dimensional table has been recovered from those labels. (Sources 2 and 3.)
A direct current sample or selection sheet is therefore an important next document. It should identify the complete model designation, water/air rating conditions, fan setting, external pressure basis, capacity, water-side pressure loss, electrical data and dimensions applicable to the proposed unit. Blank fields remain blank until that document is supplied.
The product’s application wording also includes mechanical smoke extraction. That sentence is not treated as proof that this hydronic fan-coil unit is approved for smoke-exhaust duty. Any proposed fire-related use requires the actual appropriate equipment and its model-matched documentation, independently of the company’s wider fire-products catalogue.
The service page describes a contract sequence
The actual pre-sales, sales and after-sales descriptions were opened individually on the service page. They describe understanding the requirement, agreeing an offer and contractual terms, and maintenance after acceptance. They do not specify a fixed warranty or guaranteed arrival time. (Source 3.)
Before the order: identify the requirement
The published pre-sales description says engineers initially understand the requirements and prepare information and quotations for different models. Ask for the actual selection and drawing for the concealed installation.
The sales description says the parties agree the proposal and contract terms before signing. Include model/configuration, accessories, documentation, acceptance basis and any installation responsibilities explicitly.
After acceptance: use the agreed maintenance scope
The after-sales text ties the maintenance term to the contract and describes responding to service requests. Confirm duration, exclusions, destination coverage and responsibility for site access; no numerical response SLA is established by the text.
Company-history and authority evidence remain limited
Chengyang’s timeline shows years from 2017 to 2023 with the same product-range paragraph repeated. Those entries do not establish founding, annual expansion or a sequence of specific milestones. Similarly, the international-market graphic is a supplier presentation rather than a set of independently verified export projects. Neither has been converted into an invented biography. (Source 1.)
The company names balancing, shearing, bending, turning and milling equipment among its production claims. That is a basis for requesting a current plant record, not evidence of quantities, output or ownership of each displayed machine. No matched government or certification record was independently verified in this manuscript’s authoritative-platform search; unrelated company names were excluded.
The best-supported current enquiry concerns the specified concealed fan-coil construction and contract-defined service. A current model selection, a plant/document record and any relevant conformity evidence would resolve the remaining gaps without extending generic catalogue claims beyond their actual scope.
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.
Horizontal concealed fan-coil publication — source 2Checked 2026-10-07 · Individually read construction and features; technical-parameter link inspected without a visible numerical schedule. Smoke-use wording not converted into fire-duty approval.
Chengyang service and download page — source 3Checked 2026-10-07 · Pre-sales, sales and after-sales text individually opened. Maintenance term is contract-defined. Sample label self-links to this page; no readable model document obtained.
Original concealed-unit main illustrationChecked 2026-10-11 · Actual product-banner background viewed: unenclosed coil face, right-side fittings and drain-pan extension; no readable model/rating.
