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Research findings
Cohort structure analysis
Recorded reporting jurisdiction counts in this 19-record cohort: Hebei (3 records); Hubei (3 records).
The record-count gap between Hebei and Hubei is 0, or 0.0% of this 19-record base. The gap concerns records, not revenue or market position.
| Company cohort | Directly linked pages | Share of public archive | Archive date |
|---|---|---|---|
| 19 | 19 | 0.1% | 2026-10-16 |
Deduplicated company IDs.
Counts within parent sets
| Set | All records | This subset | Excluding this subset |
|---|---|---|---|
| All public archive records | 19,297 | 19 | 19,278 |
Observed labels
| Dimension | Label | Count/base | Participation |
|---|---|---|---|
| reporting jurisdiction | Hebei | 3/19 | 15.8% |
| reporting jurisdiction | Hubei | 3/19 | 15.8% |
| reporting jurisdiction | Shanghai | 2/19 | 10.5% |
| reporting jurisdiction | Yunnan | 2/19 | 10.5% |
| reporting jurisdiction | Jiangsu | 2/19 | 10.5% |
| industry | Advanced materials | 11/19 | 57.9% |
| industry | Next-generation information technology | 2/19 | 10.5% |
| industry | Energy conservation and environmental protection | 2/19 | 10.5% |
| industry | Advanced equipment | 2/19 | 10.5% |
| industry | Producer services | 1/19 | 5.3% |
Multi-label counts can overlap; filter compliance is not industrial advantage.
Evidence and list-linkage counts
| Measure | Count |
|---|---|
| Companies with existing sourced excerpts | 9/19 |
| Existing reviewed bilingual excerpt pairs | 9 |
| IDs linked to 2026 local lists | 5/19 |
| Product-field rule reminders | 1/19 |
Existing excerpts do not certify entire old reports; list linkage is not final recognition. Full definitions are on the series page.
How candidates match
| Field | Matches/candidates |
|---|---|
| Name | 8/19 |
| Product field | 8/19 |
| Sub-industry | 4/19 |
Fields can overlap; hits establish search relevance only.
Recorded roles and delivery checks
Related studies and shared records
| Comparison study | Reference records | Shared IDs | Focal only | Intersection/union |
|---|---|---|---|---|
| Waterproof Membrane Sealant Building Materials Keyword Candidate Study | 19 | 15 | 4 | 65.2% |
| Automotive Interior Trim Seating Components Keyword Candidate Study | 39 | 2 | 17 | 3.6% |
Company samples and record links
| Company | Jurisdiction | Recorded industry |
|---|---|---|
| Bostd Geosynthetics Qingdao Ltd. | Qingdao | Advanced materials |
| Jiangsu Yingyang Nonwoven Machinery Co., Ltd. | Jiangsu | Advanced equipment |
| Hubei Jiuyang Waterproof Material Technology Co., Ltd. | Hubei | Advanced materials |
| Yunnan Ganges Times Technology Co., Ltd. | Yunnan | Advanced materials |
| Kejian Polymer Materials( Shanghai) Co., Ltd. | Shanghai | Advanced materials |
| Shanghai Oriental Yuhong Waterproof Technology Co., Ltd. | Shanghai | Producer services |
| Henan Lanling Huankai New Materials Co., Ltd. | Henan | Advanced materials |
| Guangzhou Jiansheng Building MATERIALS Ltd.,inc | Guangdong | Advanced equipment |
Directly related profiles and reports
| Page | Presentation |
|---|---|
| Bostd Geosynthetics Qingdao Ltd. | Company data profile |
| Jiangsu Yingyang Nonwoven Machinery Co., Ltd. | Company report page |
| Hubei Jiuyang Waterproof Material Technology Co., Ltd. | Company data profile |
| Yunnan Ganges Times Technology Co., Ltd. | Company report page |
| Kejian Polymer Materials( Shanghai) Co., Ltd. | Company report page |
| Shanghai Oriental Yuhong Waterproof Technology Co., Ltd. | Company data profile |