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Research findings
Cohort structure analysis
Recorded reporting jurisdiction counts in this 15-record cohort: Shandong (4 records); Jiangsu (3 records).
The record-count gap between Shandong and Jiangsu is 1, or 6.7% of this 15-record base. The gap concerns records, not revenue or market position.
| Company cohort | Directly linked pages | Share of public archive | Archive date |
|---|---|---|---|
| 15 | 15 | 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 | 15 | 19,282 |
Observed labels
| Dimension | Label | Count/base | Participation |
|---|---|---|---|
| reporting jurisdiction | Shandong | 4/15 | 26.7% |
| reporting jurisdiction | Jiangsu | 3/15 | 20.0% |
| reporting jurisdiction | Guangdong | 2/15 | 13.3% |
| reporting jurisdiction | Zhejiang | 2/15 | 13.3% |
| reporting jurisdiction | Liaoning | 2/15 | 13.3% |
| industry | Advanced equipment | 8/15 | 53.3% |
| industry | Advanced materials | 6/15 | 40.0% |
| industry | New-energy vehicles | 1/15 | 6.7% |
Multi-label counts can overlap; filter compliance is not industrial advantage.
Evidence and list-linkage counts
| Measure | Count |
|---|---|
| Companies with existing sourced excerpts | 5/15 |
| Existing reviewed bilingual excerpt pairs | 5 |
| IDs linked to 2026 local lists | 3/15 |
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 | 2/15 |
| Product field | 14/15 |
| Sub-industry | 0/15 |
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 |
|---|---|---|---|---|
| Seals Rubber Products Keyword Candidate Study | 79 | 15 | 0 | 19.0% |
| Critical basic components / Advanced equipment and industrial automation / Process equipment and inspection instruments Sub-industry and Supply-chain Study | 93 | 5 | 10 | 4.9% |
Company samples and record links
| Company | Jurisdiction | Recorded industry |
|---|---|---|
| Zhejiang Fengmao Technology Co., Ltd. | Zhejiang | Advanced equipment |
| Jiangsu Gangyang Steering System Co., Ltd. | Jiangsu | Advanced equipment |
| Yantai Ishikawa Sealing Technology Co., Ltd. | Shandong | Advanced equipment |
| Laiyang Changyu Sealing Technology Co., Ltd. | Shandong | Advanced equipment |
| Guangdong Xinhui Technology Co., Ltd. | Guangdong | Advanced equipment |
| Yantai Shuangyuan GENERAL PARTS Ltd. | Shandong | Advanced materials |
| Yantai Runfuxiang Oil Seal Co., Ltd. | Shandong | Advanced equipment |
| Jiangsu Zhongyu Rubber & Plastic Technology Co., Ltd. | Jiangsu | Advanced materials |
Directly related profiles and reports
| Page | Presentation |
|---|---|
| Zhejiang Fengmao Technology Co., Ltd. | Company report page |
| Jiangsu Gangyang Steering System Co., Ltd. | Company report page |
| Yantai Ishikawa Sealing Technology Co., Ltd. | Company data profile |
| Laiyang Changyu Sealing Technology Co., Ltd. | Company data profile |
| Guangdong Xinhui Technology Co., Ltd. | Company data profile |
| Yantai Shuangyuan GENERAL PARTS Ltd. | Company data profile |