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Research findings
Comparative structure study
The largest recorded chain role, Advanced materials / Basic and process materials, contains 139 records (85.8% of this 162-record cohort). Companies may carry multiple labels in this dimension; participation rates are not additive market shares.
The recorded sub-industry label Functional materials and advanced-material platforms accounts for 53.1% here (86/162), compared with 37.9% in the parent set (1,281/3,381), an absolute gap of 15.2 percentage points.
63/162 companies link to pages with existing source-supported excerpts (38.9% of the cohort). The other 99 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 |
|---|---|---|---|
| 162 | 162 | 0.8% | 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, Advanced materials, contains 3,381 records. This cohort contributes 162 (4.8%); 3,219 records remain after excluding it.
The parent set, Hunan, contains 667 records. This cohort contributes 162 (24.3%); 505 records remain after excluding it.
| Category | Cohort count/base | Reference: Advanced materials | Gap (pp) | Representation ratio | Rest count/base |
|---|---|---|---|---|---|
| sub-industry · Functional materials and advanced-material platforms | 86/162 · 53.1% | 1,281/3,381 · 37.9% | +15.2 | 1.40 | 1,195/3,219 |
| chain role · Advanced materials / Basic and process materials | 139/162 · 85.8% | 2,664/3,381 · 78.8% | +7.0 | 1.09 | 2,525/3,219 |
| chain role · Fine chemicals / Basic and process materials | 9/162 · 5.6% | 401/3,381 · 11.9% | -6.3 | 0.47 | 392/3,219 |
| sub-industry · Advanced chemicals | 9/162 · 5.6% | 296/3,381 · 8.8% | -3.2 | 0.63 | 287/3,219 |
| sub-industry · Carbon-based materials and carbon fibre | 5/162 · 3.1% | 35/3,381 · 1.0% | +2.1 | 2.98 | 30/3,219 |
| chain role · Construction materials and infrastructure / Complete systems and use-case applications | 5/162 · 3.1% | 64/3,381 · 1.9% | +1.2 | 1.63 | 59/3,219 |
Ratio of label participation, not market share; multi-label counts overlap.
Excluding this cohort, the recorded sub-industry label Functional materials and advanced-material platforms covers 1,195/3,219 remaining records (37.1%), an absolute gap of 16.0 percentage points from this cohort.
Concentration and cross-sectional structure
| Recorded label | Records | Share of cohort |
|---|---|---|
| Advanced materials / Basic and process materials | 139 | 85.8% |
| Fine chemicals / Basic and process materials | 9 | 5.6% |
| Construction materials and infrastructure / Complete systems and use-case applications | 5 | 3.1% |
| Construction materials and infrastructure / Process equipment and inspection instruments | 2 | 1.2% |
| New energy and power equipment / Complete systems and use-case applications | 2 | 1.2% |
| Construction materials and infrastructure / Basic and process materials | 1 | 0.6% |
| Automotive and transport equipment / Core components and digital hardware | 1 | 0.6% |
| Electronic information and digital technology / Core components and digital hardware | 1 | 0.6% |
| Energy conservation, environmental protection and resource recycling / Complete systems and use-case applications | 1 | 0.6% |
| Advanced equipment and industrial automation / Process equipment and inspection instruments | 1 | 0.6% |
Record counts do not rank supply capability or economic size.
Evidence coverage and strength of conclusions
| Record field | Non-empty/cohort | Completion |
|---|---|---|
| Company name | 162/162 | 100.0% |
| reporting jurisdiction | 162/162 | 100.0% |
| industry | 162/162 | 100.0% |
| Recorded products | 162/162 | 100.0% |
| sub-industry | 162/162 | 100.0% |
| Chain labels | 162/162 | 100.0% |
Non-empty fields are not necessarily accurate or supported by originals.
| Scope of source support | Count |
|---|---|
| Profiles with source-supported excerpts | 63 |
| Distinct corresponding companies | 63 |
| Reviewed Chinese/English paragraph pairs | 63 |
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 | 1.2% |
| Only generic operations vocabulary remains | 4 | 2.5% |
| Non-empty text shorter than five characters | 1 | 0.6% |
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
38 of this cohort’s 162 records link through existing company-ID mappings to 2026 lists from all jurisdictions (23.5%). 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 | 38 | 2 | 36 | 38 |
List rows and company IDs are separate counts, not new firms or final recognition.
Stored 2026 local-recommendation records, sources and stage definitionsRelated provincial study
The 2025 macro context for Hunan uses a different denominator from this cohort.
Hunan Company Structure StudyRecorded roles and delivery checks
Material delivery requires stable-production evidence
The Functional materials and advanced-material platforms label covers 86 records (53.1% 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 Hunan / Advanced materials / Basic and process materials Company Structure Study: 139; records in this cohort but outside that set: 23. The intersection/union ratio is 84.8%, a measure of label overlap rather than business collaboration. Read comparison
Shared records with Hunan Company Structure Study: 162; records in this cohort but outside that set: 0. The intersection/union ratio is 24.3%, a measure of label overlap rather than business collaboration. Read comparison
Company samples and record links
| Company | Jurisdiction | Recorded industry |
|---|---|---|
| Hunan Liangcheng New Materials Technology Co., Ltd. | Hunan | Advanced materials |
| Hunan Jiuri New Materials Co., Ltd. | Hunan | Advanced materials |
| Hunan Renhai Technology Materials Development Co., Ltd. | Hunan | Advanced materials |
| Hunan Zhenhui Pipe Industry Co., Ltd. | Hunan | Advanced materials |
| Hunan Shixin New Material Co., Ltd. | Hunan | Advanced materials |
| Hunan Xianggang Yixing Refractory Materials Co., Ltd. | Hunan | Advanced materials |
| Hunan Jiashengde Material Technology Co., Ltd. | Hunan | Advanced materials |
| Changsha Weina Kunchen New Materials Co., Ltd. | Hunan | Advanced materials |
Stable-ID samples, not rankings; metrics use the full cohort.
Directly related profiles and reports
| Page | Presentation |
|---|---|
| Hunan Liangcheng New Materials Technology Co., Ltd. | Company data profile |
| Hunan Jiuri New Materials Co., Ltd. | Company data profile |
| Hunan Renhai Technology Materials Development Co., Ltd. | Company data profile |
| Hunan Zhenhui Pipe Industry Co., Ltd. | Company data profile |
| Hunan Shixin New Material Co., Ltd. | Company report page |
| Hunan Xianggang Yixing Refractory Materials Co., Ltd. | Company data profile |