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Research findings
Comparative structure study
The largest recorded reporting jurisdiction, Zhejiang, contains 8 records (17.0% of this 47-record cohort). The remaining cohort contains 39 records. The comparison concerns archive composition.
The recorded chain role label Advanced materials / Basic and process materials accounts for 63.8% here (30/47), compared with 14.8% in the parent set (2,854/19,297), an absolute gap of 49.0 percentage points.
18/47 companies link to pages with existing source-supported excerpts (38.3% of the cohort). The other 29 records remain usable for archive composition, but do not support new operating case studies.
9 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 |
|---|---|---|---|
| 47 | 47 | 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 47 (0.2%); 19,250 records remain after excluding it.
| Category | Cohort count/base | Reference: All public archive records | Gap (pp) | Representation ratio | Rest count/base |
|---|---|---|---|---|---|
| chain role · Advanced materials / Basic and process materials | 30/47 · 63.8% | 2,854/19,297 · 14.8% | +49.0 | 4.32 | 2,824/19,250 |
| industry · Advanced materials | 31/47 · 66.0% | 3,381/19,297 · 17.5% | +48.4 | 3.76 | 3,350/19,250 |
| sub-industry · Polymers and composite materials | 11/47 · 23.4% | 185/19,297 · 1.0% | +22.4 | 24.41 | 174/19,250 |
| industry · Advanced equipment | 5/47 · 10.6% | 4,918/19,297 · 25.5% | -14.8 | 0.42 | 4,913/19,250 |
| sub-industry · Modified plastics / engineering plastics | 6/47 · 12.8% | 86/19,297 · 0.4% | +12.3 | 28.64 | 80/19,250 |
| sub-industry · Automotive structural parts and components | 5/47 · 10.6% | 388/19,297 · 2.0% | +8.6 | 5.29 | 383/19,250 |
| reporting jurisdiction · Hebei | 5/47 · 10.6% | 500/19,297 · 2.6% | +8.0 | 4.11 | 495/19,250 |
| reporting jurisdiction · Zhejiang | 8/47 · 17.0% | 1,840/19,297 · 9.5% | +7.5 | 1.79 | 1,832/19,250 |
| reporting jurisdiction · Hubei | 5/47 · 10.6% | 866/19,297 · 4.5% | +6.2 | 2.37 | 861/19,250 |
| reporting jurisdiction · Jiangsu | 6/47 · 12.8% | 3,025/19,297 · 15.7% | -2.9 | 0.81 | 3,019/19,250 |
Ratio of label participation, not market share; multi-label counts overlap.
Excluding this cohort, the recorded chain role label Advanced materials / Basic and process materials covers 2,824/19,250 remaining records (14.7%), an absolute gap of 49.2 percentage points from this cohort.
Concentration and cross-sectional structure
The full reporting jurisdiction distribution has 17 labels; the top 3 contain 19/47 records (40.4%).Other known labels contain 28 records.
For 47 records with known labels, the effective category count is 10.8, versus 17 actual labels. Definitions and scope are in the methodology.
The table shows ten labels; 7 others are included in the calculations above.
| Recorded label | Records | Share of cohort |
|---|---|---|
| Zhejiang | 8 | 17.0% |
| Jiangsu | 6 | 12.8% |
| Hebei | 5 | 10.6% |
| Hubei | 5 | 10.6% |
| Shandong | 4 | 8.5% |
| Anhui | 3 | 6.4% |
| Guangdong | 3 | 6.4% |
| Henan | 3 | 6.4% |
| Ningbo | 2 | 4.3% |
| Shanghai | 1 | 2.1% |
Record counts do not rank supply capability or economic size.
The largest intersection, Zhejiang × Advanced materials, contains 6 records, or 75.0% of the 8 records carrying the Zhejiang label.
| reporting jurisdiction | industry | Intersection records | Cohort share |
|---|---|---|---|
| Zhejiang | Advanced materials | 6 | 12.8% |
| Hebei | Advanced materials | 4 | 8.5% |
| Hubei | Advanced materials | 4 | 8.5% |
| Jiangsu | Advanced materials | 3 | 6.4% |
| Ningbo | Advanced materials | 2 | 4.3% |
| Anhui | Advanced materials | 2 | 4.3% |
| Shandong | Next-generation information technology | 2 | 4.3% |
| Shandong | Advanced materials | 2 | 4.3% |
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 27 non-empty cells; the other 19 remain in the analysis.
Evidence coverage and strength of conclusions
| Record field | Non-empty/cohort | Completion |
|---|---|---|
| Company name | 47/47 | 100.0% |
| reporting jurisdiction | 47/47 | 100.0% |
| industry | 47/47 | 100.0% |
| Recorded products | 47/47 | 100.0% |
| sub-industry | 47/47 | 100.0% |
| Chain labels | 47/47 | 100.0% |
Non-empty fields are not necessarily accurate or supported by originals.
| Scope of source support | Count |
|---|---|
| Profiles with source-supported excerpts | 18 |
| Distinct corresponding companies | 18 |
| Reviewed Chinese/English paragraph pairs | 20 |
Counts concern existing reviewed bilingual excerpts, not re-certification of originals or entire reports.
| Matched field | Candidates | Cohort share |
|---|---|---|
| Company name | 9 | 19.1% |
| Recorded products | 37 | 78.7% |
| Sub-industry | 2 | 4.3% |
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, “plastic products” has the most matches: 29/47. Name, product and sub-industry fields match 8, 21 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 |
|---|---|---|---|---|
| plastic products | 29 · 61.7% | 8 | 21 | 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.
9 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
8 of this cohort’s 47 records link through existing company-ID mappings to 2026 lists from all jurisdictions (17.0%). 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 | 8 | 1 | 7 | 8 |
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
Validate packaging by use; circularity priorities are not performance results
The Tinplate packaging containers label covers 1 records (2.1% of this cohort). This archive clue raises a verification question about Paper or plastic packaging or materials with defined uses and composition; it does not establish that these companies already deliver it.
Delivery framework, stages and original sourcesRelated studies and shared records
Shared records with Injection Extrusion Plastic Machinery Keyword Candidate Study: 12; records in this cohort but outside that set: 35. The intersection/union ratio is 10.2%, a measure of label overlap rather than business collaboration. Read comparison
Shared records with Rubber Plastic Modified Materials Keyword Candidate Study: 35; records in this cohort but outside that set: 12. The intersection/union ratio is 8.2%, a measure of label overlap rather than business collaboration. Read comparison
Company samples and record links
| Company | Jurisdiction | Recorded industry |
|---|---|---|
| The Taihu Lake Huaqiang Technology Co., Ltd. | Anhui | Advanced materials |
| Taizhou Tianda Yuan Technology Co., Ltd. | Zhejiang | Advanced materials |
| ZheJiang SanYou Plastic Industry Co., Ltd. | Zhejiang | Advanced materials |
| Shenzhen Huate Packing Co., Ltd. | Shenzhen | Advanced equipment |
| Jiangsu Songshang Technology Co., Ltd. | Jiangsu | Advanced materials |
| Henan Fangyi Sealing Technology Co., Ltd. | Henan | Advanced equipment |
| Ningbo Energy Moulding Plastic Technology Co., Ltd. | Ningbo | Advanced materials |
| Jiangsu Junhua Special Polymer Materials Co., Ltd. | Jiangsu | Advanced materials |
Stable-ID samples, not rankings; metrics use the full cohort.
Directly related profiles and reports
| Page | Presentation |
|---|---|
| The Taihu Lake Huaqiang Technology Co., Ltd. | Company data profile |
| Taizhou Tianda Yuan Technology Co., Ltd. | Company data profile |
| ZheJiang SanYou Plastic Industry Co., Ltd. | Company data profile |
| Shenzhen Huate Packing Co., Ltd. | Company data profile |
| Jiangsu Songshang Technology Co., Ltd. | Company report page |
| Henan Fangyi Sealing Technology Co., Ltd. | Company data profile |