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Research findings
Comparative structure study
The largest recorded reporting jurisdiction, Jiangsu, contains 22 records (18.0% of this 122-record cohort). The remaining cohort contains 100 records. The comparison concerns archive composition.
The recorded industry label New-energy vehicles accounts for 19.7% here (24/122), compared with 33.7% in the parent set (475/1,408), an absolute gap of 14.1 percentage points.
40/122 companies link to pages with existing source-supported excerpts (32.8% of the cohort). The other 82 records remain usable for archive composition, but do not support new operating case studies.
| Company cohort | Directly linked pages | Share of public archive | Archive date |
|---|---|---|---|
| 122 | 122 | 0.6% | 2026-10-16 |
An ID-deduplicated archive snapshot, not the whole market, current recognition or operating results.
Comparable sets and compositional differences
The parent set, Automotive and transport equipment, contains 1,408 records. This cohort contributes 122 (8.7%); 1,286 records remain after excluding it.
The parent set, All public archive records, contains 19,297 records. This cohort contributes 122 (0.6%); 19,175 records remain after excluding it.
| Category | Cohort count/base | Reference: Automotive and transport equipment | Gap (pp) | Representation ratio | Rest count/base |
|---|---|---|---|---|---|
| industry · New-energy vehicles | 24/122 · 19.7% | 475/1,408 · 33.7% | -14.1 | 0.58 | 451/1,286 |
| sub-industry · Automotive structural parts and components | 18/122 · 14.8% | 387/1,408 · 27.5% | -12.7 | 0.54 | 369/1,286 |
| reporting jurisdiction · Zhejiang | 6/122 · 4.9% | 137/1,408 · 9.7% | -4.8 | 0.51 | 131/1,286 |
| reporting jurisdiction · Liaoning | 7/122 · 5.7% | 28/1,408 · 2.0% | +3.7 | 2.89 | 21/1,286 |
| reporting jurisdiction · Jiangsu | 22/122 · 18.0% | 211/1,408 · 15.0% | +3.0 | 1.20 | 189/1,286 |
| sub-industry · Rail-transport equipment | 9/122 · 7.4% | 67/1,408 · 4.8% | +2.6 | 1.55 | 58/1,286 |
| industry · Advanced equipment | 61/122 · 50.0% | 669/1,408 · 47.5% | +2.5 | 1.05 | 608/1,286 |
| reporting jurisdiction · Hebei | 6/122 · 4.9% | 37/1,408 · 2.6% | +2.3 | 1.87 | 31/1,286 |
| industry · Producer services | 12/122 · 9.8% | 112/1,408 · 8.0% | +1.9 | 1.24 | 100/1,286 |
| industry · Next-generation information technology | 5/122 · 4.1% | 80/1,408 · 5.7% | -1.6 | 0.72 | 75/1,286 |
Ratio of label participation, not market share; multi-label counts overlap.
Excluding this cohort, the recorded industry label New-energy vehicles covers 451/1,286 remaining records (35.1%), an absolute gap of 15.4 percentage points from this cohort.
Concentration and cross-sectional structure
The full reporting jurisdiction distribution has 27 labels; the top 3 contain 42/122 records (34.4%).Other known labels contain 80 records.
For 122 records with known labels, the effective category count is 13.6, versus 27 actual labels. Definitions and scope are in the methodology.
The table shows ten labels; 17 others are included in the calculations above.
| Recorded label | Records | Share of cohort |
|---|---|---|
| Jiangsu | 22 | 18.0% |
| Beijing | 11 | 9.0% |
| Hubei | 9 | 7.4% |
| Shanghai | 8 | 6.6% |
| Anhui | 8 | 6.6% |
| Shenzhen | 7 | 5.7% |
| Liaoning | 7 | 5.7% |
| Hebei | 6 | 4.9% |
| Zhejiang | 6 | 4.9% |
| Sichuan | 5 | 4.1% |
Record counts do not rank supply capability or economic size.
The largest intersection, Jiangsu × Advanced equipment, contains 14 records, or 63.6% of the 22 records carrying the Jiangsu label.
| reporting jurisdiction | industry | Intersection records | Cohort share |
|---|---|---|---|
| Jiangsu | Advanced equipment | 14 | 11.5% |
| Beijing | Advanced equipment | 6 | 4.9% |
| Hubei | Advanced equipment | 5 | 4.1% |
| Shaanxi | Advanced equipment | 5 | 4.1% |
| Jiangsu | Biomedicine | 4 | 3.3% |
| Zhejiang | Advanced equipment | 4 | 3.3% |
| Shenzhen | New-energy vehicles | 4 | 3.3% |
| Liaoning | Advanced equipment | 4 | 3.3% |
A cell contains company IDs carrying both labels. It does not establish procurement, supply or investment relationships between firms. Multi-label cells may overlap.
This page displays 8 of the full cross-tab’s 59 non-empty cells; the other 51 remain in the analysis.
Evidence coverage and strength of conclusions
| Record field | Non-empty/cohort | Completion |
|---|---|---|
| Company name | 122/122 | 100.0% |
| reporting jurisdiction | 122/122 | 100.0% |
| industry | 122/122 | 100.0% |
| Recorded products | 122/122 | 100.0% |
| sub-industry | 122/122 | 100.0% |
| Chain labels | 122/122 | 100.0% |
Non-empty fields are not necessarily accurate or supported by originals.
| Scope of source support | Count |
|---|---|
| Profiles with source-supported excerpts | 40 |
| Distinct corresponding companies | 40 |
| Reviewed Chinese/English paragraph pairs | 41 |
Counts concern existing reviewed bilingual excerpts, not re-certification of originals or entire reports.
| Transparent rule reminder | Records | Cohort share |
|---|---|---|
| Contains registration-narrative wording | 3 | 2.5% |
A rule hit prioritises review; it does not establish that the entire field is wrong. One record can trigger several rules.
Intersection with 2026 local lists
33 of this cohort’s 122 records link through existing company-ID mappings to 2026 lists from all jurisdictions (27.0%). This intersection measures list linkage, not successful recognition or company growth.
| Observation set | List records | New-applicant records | Review records | Mapped company IDs |
|---|---|---|---|---|
| National list records linked to this cohort’s IDs | 33 | 2 | 31 | 33 |
List rows and company IDs are separate counts, not new firms or final recognition.
Stored 2026 local-recommendation records, sources and stage definitionsRecorded roles and delivery checks
Related studies and shared records
Shared records with Rail Transit Components Braking Doors Keyword Candidate Study: 24; records in this cohort but outside that set: 98. The intersection/union ratio is 6.2%, a measure of label overlap rather than business collaboration. Read comparison
Shared records with Rail Transit Equipment Keyword Candidate Study: 22; records in this cohort but outside that set: 100. The intersection/union ratio is 6.1%, a measure of label overlap rather than business collaboration. Read comparison
Company samples and record links
| Company | Jurisdiction | Recorded industry |
|---|---|---|
| Beijing Aerospace Long March Machinery Equipment Manufacturing Co., Ltd. | Beijing | Advanced equipment |
| China Automotive Research New Energy Vehicle Inspection Center (Tianjin) Co., Ltd. | Tianjin | New-energy vehicles |
| Wuhan Wuqiao Bridge Equipment Technology Co., Ltd. | Hubei | Producer services |
| Wuxi CRRC Times Intelligent Equipment Research Institute Co., Ltd. | Jiangsu | Advanced equipment |
| Yike Lutong Rail Equipment Co., Ltd. | Beijing | Biomedicine |
| Hubei Boli Special Automobile Equipment Co., Ltd. | Hubei | New-energy vehicles |
| Anhui Puchuang Rail Vehicle Equipment Co., Ltd. | Anhui | Advanced equipment |
| Anhui Xinhe Defense Equipment Technology Co., Ltd. | Anhui | Producer services |
Stable-ID samples, not rankings; metrics use the full cohort.
Directly related profiles and reports
| Page | Presentation |
|---|---|
| Beijing Aerospace Long March Machinery Equipment Manufacturing Co., Ltd. | Company data profile |
| China Automotive Research New Energy Vehicle Inspection Center (Tianjin) Co., Ltd. | Company report page |
| Wuhan Wuqiao Bridge Equipment Technology Co., Ltd. | Company data profile |
| Wuxi CRRC Times Intelligent Equipment Research Institute Co., Ltd. | Company data profile |
| Yike Lutong Rail Equipment Co., Ltd. | Company data profile |
| Hubei Boli Special Automobile Equipment Co., Ltd. | Company data profile |