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Research findings
Comparative structure study
The largest recorded reporting jurisdiction, Jiangsu, contains 62 records (14.9% of this 417-record cohort). The remaining cohort contains 355 records. The comparison concerns archive composition.
The recorded industry label Advanced materials accounts for 67.9% here (283/417), compared with 17.5% in the parent set (3,381/19,297), an absolute gap of 50.3 percentage points.
178/417 companies link to pages with existing source-supported excerpts (42.7% of the cohort). The other 239 records remain usable for archive composition, but do not support new operating case studies.
91 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 |
|---|---|---|---|
| 417 | 417 | 2.2% | 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 417 (2.2%); 18,880 records remain after excluding it.
| Category | Cohort count/base | Reference: All public archive records | Gap (pp) | Representation ratio | Rest count/base |
|---|---|---|---|---|---|
| industry · Advanced materials | 283/417 · 67.9% | 3,381/19,297 · 17.5% | +50.3 | 3.87 | 3,098/18,880 |
| chain role · Advanced materials / Basic and process materials | 254/417 · 60.9% | 2,854/19,297 · 14.8% | +46.1 | 4.12 | 2,600/18,880 |
| sub-industry · Polymers and composite materials | 108/417 · 25.9% | 185/19,297 · 1.0% | +24.9 | 27.02 | 77/18,880 |
| industry · Next-generation information technology | 13/417 · 3.1% | 5,226/19,297 · 27.1% | -24.0 | 0.12 | 5,213/18,880 |
| chain role · Electronic information and digital technology / Core components and digital hardware | 7/417 · 1.7% | 3,137/19,297 · 16.3% | -14.6 | 0.10 | 3,130/18,880 |
| industry · Advanced equipment | 57/417 · 13.7% | 4,918/19,297 · 25.5% | -11.8 | 0.54 | 4,861/18,880 |
| chain role · Advanced equipment and industrial automation / Process equipment and inspection instruments | 59/417 · 14.1% | 4,085/19,297 · 21.2% | -7.0 | 0.67 | 4,026/18,880 |
| industry · Biomedicine | 9/417 · 2.2% | 1,721/19,297 · 8.9% | -6.8 | 0.24 | 1,712/18,880 |
| sub-industry · Functional materials and advanced-material platforms | 10/417 · 2.4% | 1,300/19,297 · 6.7% | -4.3 | 0.36 | 1,290/18,880 |
| sub-industry · Advanced medical devices | 5/417 · 1.2% | 878/19,297 · 4.5% | -3.4 | 0.26 | 873/18,880 |
Ratio of label participation, not market share; multi-label counts overlap.
Excluding this cohort, the recorded industry label Advanced materials covers 3,098/18,880 remaining records (16.4%), an absolute gap of 51.5 percentage points from this cohort.
Concentration and cross-sectional structure
The full reporting jurisdiction distribution has 32 labels; the top 3 contain 135/417 records (32.4%).Other known labels contain 282 records.
For 417 records with known labels, the effective category count is 15.3, versus 32 actual labels. Definitions and scope are in the methodology.
The table shows ten labels; 22 others are included in the calculations above.
| Recorded label | Records | Share of cohort |
|---|---|---|
| Jiangsu | 62 | 14.9% |
| Guangdong | 37 | 8.9% |
| Zhejiang | 36 | 8.6% |
| Shandong | 32 | 7.7% |
| Shanghai | 28 | 6.7% |
| Hebei | 24 | 5.8% |
| Shenzhen | 22 | 5.3% |
| Ningbo | 20 | 4.8% |
| Hubei | 18 | 4.3% |
| Anhui | 17 | 4.1% |
Record counts do not rank supply capability or economic size.
The largest intersection, Jiangsu × Advanced materials, contains 38 records, or 61.3% of the 62 records carrying the Jiangsu label.
| reporting jurisdiction | industry | Intersection records | Cohort share |
|---|---|---|---|
| Jiangsu | Advanced materials | 38 | 9.1% |
| Guangdong | Advanced materials | 28 | 6.7% |
| Zhejiang | Advanced materials | 25 | 6.0% |
| Shanghai | Advanced materials | 24 | 5.8% |
| Shandong | Advanced materials | 24 | 5.8% |
| Hebei | Advanced materials | 19 | 4.6% |
| Ningbo | Advanced materials | 14 | 3.4% |
| Jiangsu | Advanced equipment | 14 | 3.4% |
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 109 non-empty cells; the other 101 remain in the analysis.
Evidence coverage and strength of conclusions
| Record field | Non-empty/cohort | Completion |
|---|---|---|
| Company name | 417/417 | 100.0% |
| reporting jurisdiction | 417/417 | 100.0% |
| industry | 417/417 | 100.0% |
| Recorded products | 417/417 | 100.0% |
| sub-industry | 417/417 | 100.0% |
| Chain labels | 417/417 | 100.0% |
Non-empty fields are not necessarily accurate or supported by originals.
| Scope of source support | Count |
|---|---|
| Profiles with source-supported excerpts | 178 |
| Distinct corresponding companies | 178 |
| Reviewed Chinese/English paragraph pairs | 186 |
Counts concern existing reviewed bilingual excerpts, not re-certification of originals or entire reports.
| Transparent rule reminder | Records | Cohort share |
|---|---|---|
| Contains registration-narrative wording | 4 | 1.0% |
| Only generic operations vocabulary remains | 5 | 1.2% |
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 | 138 | 33.1% |
| Recorded products | 242 | 58.0% |
| Sub-industry | 126 | 30.2% |
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, “plastics” has the most matches: 247/417. Name, product and sub-industry fields match 52, 130 and 116 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 |
|---|---|---|---|---|
| plastics | 247 · 59.2% | 52 | 130 | 116 |
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.
91 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
85 of this cohort’s 417 records link through existing company-ID mappings to 2026 lists from all jurisdictions (20.4%). 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 | 85 | 2 | 83 | 85 |
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
Formulation assessment depends on use and consistency evidence
The Plastic, rubber and die-casting forming equipment label covers 15 records (3.6% of this cohort). This archive clue raises a verification question about Use-specific functional formulations with application-test documents; it does not establish that these companies already deliver it.
Delivery framework, stages and original sourcesRelated studies and shared records
Shared records with Specialty Resins Engineering Plastics Keyword Candidate Study: 113; records in this cohort but outside that set: 304. The intersection/union ratio is 26.7%, a measure of label overlap rather than business collaboration. Read comparison
Shared records with Engineering Plastics Flame Retardant Masterbatch Keyword Candidate Study: 111; records in this cohort but outside that set: 306. The intersection/union ratio is 26.2%, a measure of label overlap rather than business collaboration. Read comparison
Company samples and record links
| Company | Jurisdiction | Recorded industry |
|---|---|---|
| Jiangxi Pacific Cable Group Co., Ltd. | Jiangxi | New energy and power equipment |
| Fujian Xianglong Plastic Co., Ltd. | Fujian | Advanced materials |
| Xinjiang Blue Ridge Tunhe Profiles Co., Ltd. | Xinjiang | Advanced materials |
| Dongguan Nanju Polymer Material Co., Ltd. | Guangdong | Advanced materials |
| Ningbo Jintai Rubber & Plastic Co., Ltd. | Ningbo | Advanced materials |
| GUANG DONG Simcheng Plastics Machinery Co., Ltd. | Guangdong | Advanced materials |
| Zhejiang Caihua Technology Co., Ltd. | Zhejiang | Advanced materials |
| Boyi Xincheng Polymer Materials Co., Ltd. | Jiangsu | Advanced materials |
Stable-ID samples, not rankings; metrics use the full cohort.
Directly related profiles and reports
| Page | Presentation |
|---|---|
| Jiangxi Pacific Cable Group Co., Ltd. | Company data profile |
| Fujian Xianglong Plastic Co., Ltd. | Company data profile |
| Xinjiang Blue Ridge Tunhe Profiles Co., Ltd. | Company data profile |
| Dongguan Nanju Polymer Material Co., Ltd. | Company data profile |
| Ningbo Jintai Rubber & Plastic Co., Ltd. | Company data profile |
| GUANG DONG Simcheng Plastics Machinery Co., Ltd. | Company data profile |