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Research findings
Comparative structure study
The largest recorded reporting jurisdiction, Jiangsu, contains 14 records (41.2% of this 34-record cohort). The remaining cohort contains 20 records. The comparison concerns archive composition.
The recorded industry label Advanced materials accounts for 82.4% here (28/34), compared with 17.5% in the parent set (3,381/19,297), an absolute gap of 64.8 percentage points.
13/34 companies link to pages with existing source-supported excerpts (38.2% of the cohort). The other 21 records remain usable for archive composition, but do not support new operating case studies.
6 keyword candidates match only a company name, with no matching term in recorded products or sub-industry fields. Product evidence is needed before treating these as operating businesses in this segment.
| Company cohort | Directly linked pages | Share of public archive | Archive date |
|---|---|---|---|
| 34 | 34 | 0.2% | 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, All public archive records, contains 19,297 records. This cohort contributes 34 (0.2%); 19,263 records remain after excluding it.
| Category | Cohort count/base | Reference: All public archive records | Gap (pp) | Representation ratio | Rest count/base |
|---|---|---|---|---|---|
| industry · Advanced materials | 28/34 · 82.4% | 3,381/19,297 · 17.5% | +64.8 | 4.70 | 3,353/19,263 |
| chain role · Advanced materials / Basic and process materials | 24/34 · 70.6% | 2,854/19,297 · 14.8% | +55.8 | 4.77 | 2,830/19,263 |
| sub-industry · Metals and alloy materials | 14/34 · 41.2% | 284/19,297 · 1.5% | +39.7 | 27.98 | 270/19,263 |
| reporting jurisdiction · Jiangsu | 14/34 · 41.2% | 3,025/19,297 · 15.7% | +25.5 | 2.63 | 3,011/19,263 |
| sub-industry · Functional materials and advanced-material platforms | 5/34 · 14.7% | 1,300/19,297 · 6.7% | +8.0 | 2.18 | 1,295/19,263 |
| industry · Advanced equipment | 6/34 · 17.6% | 4,918/19,297 · 25.5% | -7.8 | 0.69 | 4,912/19,263 |
| chain role · Advanced equipment and industrial automation / Process equipment and inspection instruments | 7/34 · 20.6% | 4,085/19,297 · 21.2% | -0.6 | 0.97 | 4,078/19,263 |
Ratio of label participation, not market share; multi-label counts overlap.
Excluding this cohort, the recorded industry label Advanced materials covers 3,353/19,263 remaining records (17.4%), an absolute gap of 64.9 percentage points from this cohort.
Concentration and cross-sectional structure
The full reporting jurisdiction distribution has 12 labels; the top 3 contain 21/34 records (61.8%).Other known labels contain 13 records.
For 34 records with known labels, the effective category count is 4.7, versus 12 actual labels. Definitions and scope are in the methodology.
The table shows ten labels; 2 others are included in the calculations above.
| Recorded label | Records | Share of cohort |
|---|---|---|
| Jiangsu | 14 | 41.2% |
| Zhejiang | 4 | 11.8% |
| Shanghai | 3 | 8.8% |
| Hebei | 3 | 8.8% |
| Shanxi | 2 | 5.9% |
| Hubei | 2 | 5.9% |
| Beijing | 1 | 2.9% |
| Sichuan | 1 | 2.9% |
| Dalian | 1 | 2.9% |
| Guangdong | 1 | 2.9% |
Record counts do not rank supply capability or economic size.
The largest intersection, Jiangsu × Advanced materials, contains 13 records, or 92.9% of the 14 records carrying the Jiangsu label.
| reporting jurisdiction | industry | Intersection records | Cohort share |
|---|---|---|---|
| Jiangsu | Advanced materials | 13 | 38.2% |
| Zhejiang | Advanced materials | 4 | 11.8% |
| Shanghai | Advanced materials | 3 | 8.8% |
| Hebei | Advanced materials | 2 | 5.9% |
| Beijing | Advanced equipment | 1 | 2.9% |
| Sichuan | Advanced materials | 1 | 2.9% |
| Dalian | Advanced materials | 1 | 2.9% |
| Shanxi | Advanced materials | 1 | 2.9% |
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 16 non-empty cells; the other 8 remain in the analysis.
Evidence coverage and strength of conclusions
| Record field | Non-empty/cohort | Completion |
|---|---|---|
| Company name | 34/34 | 100.0% |
| reporting jurisdiction | 34/34 | 100.0% |
| industry | 34/34 | 100.0% |
| Recorded products | 34/34 | 100.0% |
| sub-industry | 34/34 | 100.0% |
| Chain labels | 34/34 | 100.0% |
Non-empty fields are not necessarily accurate or supported by originals.
| Scope of source support | Count |
|---|---|
| Profiles with source-supported excerpts | 13 |
| Distinct corresponding companies | 13 |
| Reviewed Chinese/English paragraph pairs | 13 |
Counts concern existing reviewed bilingual excerpts, not re-certification of originals or entire reports.
| Transparent rule reminder | Records | Cohort share |
|---|---|---|
| Contains registration-narrative wording | 2 | 5.9% |
| Only generic operations vocabulary remains | 2 | 5.9% |
A rule hit prioritises review; it does not establish that the entire field is wrong. One record can trigger several rules.
| Matched field | Candidates | Cohort share |
|---|---|---|
| Company name | 7 | 20.6% |
| Recorded products | 27 | 79.4% |
| Sub-industry | 1 | 2.9% |
An ID may match several fields, so counts may exceed the cohort total. Matches establish search relevance only.
Among the translated non-broad query terms, “alloy steel” has the most matches: 14/34. Name, product and sub-industry fields match 0, 14 and 0 records respectively; the largest field is product field. Fields can overlap, and a term remains a search link rather than verified business activity.
| Selected query term | Candidates/share | Name matches | Product field | Sub-industry |
|---|---|---|---|---|
| alloy steel | 14 · 41.2% | 0 | 14 | 0 |
Selected broad terms and specific segment terms, not the full query. Terms and fields can overlap and must not be summed. Counts show lexical sensitivity; no records are removed without primary evidence.
7 candidates match only a name, or lose all product-field matches after the full company name is removed while sub-industry also has no hit. This transparent string test locates copied company descriptions; it does not establish that a company does not operate the business.
Intersection with 2026 local lists
17 of this cohort’s 34 records link through existing company-ID mappings to 2026 lists from all jurisdictions (50.0%). 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 | 17 | 1 | 16 | 17 |
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
Material delivery requires stable-production evidence
The Metals and alloy materials label covers 14 records (41.2% of this cohort). This archive clue raises a verification question about Materials of defined composition and form with batch documents; it does not establish that these companies already deliver it.
Delivery framework, stages and original sourcesRelated studies and shared records
Shared records with High Temperature Alloys Special Steel Keyword Candidate Study: 26; records in this cohort but outside that set: 8. The intersection/union ratio is 25.0%, a measure of label overlap rather than business collaboration. Read comparison
Shared records with Wind Power Tower Flange Fasteners Keyword Candidate Study: 5; records in this cohort but outside that set: 29. The intersection/union ratio is 8.8%, a measure of label overlap rather than business collaboration. Read comparison
Company samples and record links
| Company | Jurisdiction | Recorded industry |
|---|---|---|
| Huzhou Yongxing Special Stainless Steel Co., Ltd. | Zhejiang | Advanced materials |
| Shanxi Baolongda Forging Co., Ltd. | Shanxi | Advanced equipment |
| Liaoning FU-AN Heavy Industry Co., Ltd. | Liaoning | Advanced equipment |
| Hebei North Casting Industry Co., Ltd. | Hebei | Advanced materials |
| Hebei Hengtong Pipe Fittings Group Co., Ltd. | Hebei | Advanced equipment |
| Beijing Teye Industry and Trade Co., Ltd. | Beijing | Advanced equipment |
| CHANG SHU Changjiang Stainless Steel Material Co., Ltd. | Jiangsu | Advanced materials |
| JiangSu Xinghai Special Steel Co., Ltd. | Jiangsu | Advanced materials |
Stable-ID samples, not rankings; metrics use the full cohort.
Directly related profiles and reports
| Page | Presentation |
|---|---|
| Huzhou Yongxing Special Stainless Steel Co., Ltd. | Company data profile |
| Shanxi Baolongda Forging Co., Ltd. | Company data profile |
| Liaoning FU-AN Heavy Industry Co., Ltd. | Company data profile |
| Hebei North Casting Industry Co., Ltd. | Company data profile |
| Hebei Hengtong Pipe Fittings Group Co., Ltd. | Company report page |
| Beijing Teye Industry and Trade Co., Ltd. | Company report page |