A supplier evidence comparison, certificate checks and an RFQ template for shortlisting generator offers.
8 research references 7 source domains · See evidence & scopeExplore the published evidence behind each supplier and build your own shortlist.
AGG Power Technology (Fuzhou) Co., Ltd.
AS250D6 specification separates prime 225 kVA / 180 kW from standby 250 kVA / 200 kW at 60 Hz.
Manufacturer product pageConfirm the 50 Hz equivalent rating and the complete-set configuration behind the model sheet.
Fuzhou Hosem Power Co., Ltd.
A-SH550 table names an SDEC engine and separates Rate Power 500 kVA / 400 kW from Max. Power 550 kVA / 440 kW at 50 Hz.
Manufacturer product pageAsk how the maker defines Rate Power versus Max. Power and which applies to your duty.
Shanghai Super-above Industry Holdings Co., Ltd.
SA-250GF listing gives a 200 kW / 250 kVA specification and package options.
MIC product sourceConfirm the exact duty rating, engine configuration and current commercial terms.
Xiamen Kangwo EF Co., Ltd.
Listing title states 200 kW / 250 kVA while its description table lists 20 kW / 25 kVA; advertised at $7,650–7,800 with a one-set minimum.
MIC product sourceAsk which exact model the advertised price covers and request a corrected, dated datasheet.
| Compare evidence | AGG Power ↗ | Hosem Power ↗ | Super-above ↗ | Kangwo EF ↗ |
|---|---|---|---|---|
| Location | Fuzhou, Fujian | Fuzhou, Fujian | Shanghai | Xiamen, Fujian |
| Business type | Manufacturer (own website) | Manufacturer (own website) | Business type not recorded in this review | MIC-listed supplier |
| Published evidence | AS250D6 specification separates prime 225 kVA / 180 kW from standby 250 kVA / 200 kW at 60 Hz. | A-SH550 table names an SDEC engine and separates Rate Power 500 kVA / 400 kW from Max. Power 550 kVA / 440 kW at 50 Hz. | SA-250GF listing gives a 200 kW / 250 kVA specification and package options. | Listing title states 200 kW / 250 kVA while its description table lists 20 kW / 25 kVA; advertised at $7,650–7,800 with a one-set minimum. |
| Ask before comparing | Confirm the 50 Hz equivalent rating and the complete-set configuration behind the model sheet. | Ask how the maker defines Rate Power versus Max. Power and which applies to your duty. | Confirm the exact duty rating, engine configuration and current commercial terms. | Ask which exact model the advertised price covers and request a corrected, dated datasheet. |
How this list was made. Selected from the suppliers cited in this article's research, across marketplaces and manufacturer sites — not ranked by quality. Listings are supplier disclosures; no factory visits, product tests or current quotations are claimed. Category illustrations are original concept images. Our research method ↗
An engine brand, a marketplace badge and a management-system certificate answer different questions. None alone verifies the complete generator being quoted.
This is a small evidence sample, not a best-supplier list. Ordering reflects source type rather than quality, capacity or market share.
| Published business / source | Evidence to inspect | Unresolved before purchasing |
|---|---|---|
| AGG[1] · manufacturer disclosure | Model-level electrical ratings and frequency. | Offered configuration, authenticity, test and commercial terms. |
| Hosem[2] · manufacturer disclosure | Named engine, complete-set output and component table. | Rating definitions and the actual order's documentation. |
| Shanghai Super-above[3] · marketplace | Named listing and advertised amount. | Specific model, scope of supply and a dated quotation. |
| Xiamen Kangwo EF[4] · marketplace | Public listing with conflicting power fields. | Written clarification and a model-specific replacement datasheet. |
Who makes the offer and carries the warranty?
Which complete set and component identifiers?
Which entity, product, site and validity?
| Claim | Ask for | Scope check |
|---|---|---|
| ISO management-system certification | Certificate identifier, legal entity, site, scope, issuer and validity. | It addresses a management system; it does not establish output or performance of the offered set. |
| CE marking | Applicable EU declaration of conformity and identified product, supported by relevant technical documentation. | Confirm which requirements apply to the exact product and intended market; a logo is not the document. |
| Engine brand / model | Model identification and traceability documents. | Separate component authenticity from the assembler's complete-set warranty. |
| Tested output | Model/serial-linked test record and agreed test conditions. | Match electrical duty, frequency and actual configuration. |
ISO explains[6] that it does not perform certification. The European Commission describes[5] the manufacturer's role in assessment, technical documentation and declaration of conformity; CE marking is not EU authority approval. These are general document principles, not a compliance determination for any sampled product.
Send the supplier a precise clarification request: identify the page, point to the conflicting fields, and ask which exact model and configuration the price covers. Keep the offer outside the comparable shortlist until the response resolves the mismatch. An inconsistent public page warrants clarification; it is not proof about factory capability.
Alongside power and components, record quantity, quote validity, named delivery place, packing dimensions, acceptance tests, payment milestones, warranty coverage and the bank beneficiary's legal entity. Separate production lead time from transit time and define the event that starts the lead-time clock. Obtain a named service arrangement rather than relying on a generic “global warranty” label.
ChinaManufacturer has not contacted or inspected these businesses. The sample records what public documents disclose, with a link back to the source and a retrieval date.
Cummins’ China enterprise directory separates engine operations from alternator and generating-set facilities. Its alternator page also identifies the Wuxi production role. [7][8]
Use & limitsThese are published facility descriptions. They do not verify the origin of an offered unit or authorize an unrelated seller.
Editorial checklist
Output, duty and site conditions
Model, components and delivery basis
Entity, documents and test scope
Clarify exceptions before comparing
8 references. Each record keeps its own review date. A manufacturer disclosure is not an independent test; a retrieval date is not a price-effective date. Hover, focus or tap a numbered reference to inspect its source.
Use & limits
One generating-set model; not a test performed by ChinaManufacturer.
Named source page / model table; see recorded evidence
Publication date not stated · Original public record · Reviewed 2026-10-19AS250D6: 60 Hz, 1,800 rpm; standby 250 kVA/200 kW; prime 225 kVA/180 kW.
Use & limits
A-SH550 table; preserve original labels Max. Power and Rate Power rather than silently equating them to ISO ratings.
Named source page / model table; see recorded evidence
Publication date not stated · Original public record · Reviewed 2026-10-19A-SH550: 50 Hz; Rate Power 500 kVA/400 kW; Max. Power 550 kVA/440 kW. Engine SDEC SC25G690D2.
Use & limits
Advertised listing; title covers 200/220 kW. No firm quote or transaction verified.
Named source page / model table; see recorded evidence
Publication date not stated · Original public record · Reviewed 2026-10-19US$15,000–20,000; MOQ 1 piece. Described as 200 kW/250 kVA.
Use & limits
Mixed configuration fields: title says 200 kW/250 kVA, description table says 20 kW/25 kVA. Excluded from comparable pricing.
Named source page / model table; see recorded evidence
Publication date not stated · Original public record · Reviewed 2026-10-19US$7,650–7,800; MOQ 1 set; port Xiamen; stated lead time about 15–30 days.
Use & limits
General CE guidance, not a finding that a particular generator complies.
Named source page / model table; see recorded evidence
Publication date not stated · Original public record · Reviewed 2026-10-19Manufacturer responsibility includes conformity assessment, technical documentation and EU declaration of conformity; CE is not EU authority approval.
Use & limits
Management-system certification, not verification of a particular generator.
Named source page / model table; see recorded evidence
Publication date not stated · Original public record · Reviewed 2026-10-19ISO does not perform certification; management-system certification involves certification bodies.
Use & limits
Named company disclosures, not a census of regional industry, verified current capacity or independent factory audit.
China production bases: engines; alternators and generating sets
Publication date not stated · Web edition; publication date not stated · Reviewed 2026-10-22Lists Chongqing and Xiangyang engine operations, Wuxi alternator facilities and the Wuhan generating-set factory.
Use & limits
Alternator manufacturing is one component role; do not treat the listed alternator range as complete-genset capacity.
Cummins Generator Technologies (China); contact addresses
Publication date not stated · Web edition; publication date not stated · Reviewed 2026-10-22Describes STAMFORD alternator manufacturing at two Wuxi factories.
Compare supplier evidence, understand advertised prices and turn a power requirement into a usable generator RFQ.
Three public listing examples show why a price needs an exact configuration, rating and commercial basis before it can be compared.
Use manufacturer examples and a power-unit calculator to separate electrical output, duty rating and engine application data.
Read association and government figures with their original periods, units and product coverage intact.
Follow the engine, alternator, controls and transfer interface, then ask for evidence for the complete package.
Keep the manufacturer’s duty definition with the number before comparing generator capacity.
Build an engineering brief that captures running demand, starting events and acceptable recovery.
Compare weather protection, acoustic evidence and service access as separate requirements.
Use named company and government records to distinguish engine plants, alternator factories and complete-set assembly.
Create a common specification, inclusion list and evidence request for every candidate.
Resolve technical and delivery differences before comparing quotation totals.
Agree what each test proves, what remains to be checked and which records link to the delivered set.
Separate component identity, complete-set assembly, authorization and warranty evidence.
Read the story, inspect its sources and take the ideas into your own sourcing questions. Article tools keep the page beside the conversation.
Found an outdated reference or a useful public document? Send the source and the specific claim it helps clarify.
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A useful correction
