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Research findings
Cohort structure analysis
Recorded reporting jurisdiction counts in this 12-record cohort: Hubei (3 records); Guangdong (2 records).
The record-count gap between Hubei and Guangdong is 1, or 8.3% of this 12-record base. The gap concerns records, not revenue or market position.
| Company cohort | Directly linked pages | Share of public archive | Archive date |
|---|---|---|---|
| 12 | 12 | 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 | 12 | 19,285 |
Observed labels
| Dimension | Label | Count/base | Participation |
|---|---|---|---|
| reporting jurisdiction | Hubei | 3/12 | 25.0% |
| reporting jurisdiction | Guangdong | 2/12 | 16.7% |
| reporting jurisdiction | Jiangsu | 2/12 | 16.7% |
| reporting jurisdiction | Zhejiang | 2/12 | 16.7% |
| reporting jurisdiction | Shandong | 1/12 | 8.3% |
| industry | Next-generation information technology | 5/12 | 41.7% |
| industry | Advanced materials | 5/12 | 41.7% |
| industry | Advanced equipment | 2/12 | 16.7% |
Multi-label counts can overlap; filter compliance is not industrial advantage.
Evidence and list-linkage counts
| Measure | Count |
|---|---|
| Companies with existing sourced excerpts | 6/12 |
| Existing reviewed bilingual excerpt pairs | 6 |
| IDs linked to 2026 local lists | 2/12 |
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 | 3/12 |
| Product field | 8/12 |
| Sub-industry | 1/12 |
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 |
|---|---|---|---|---|
| Precision Optics Lens Modules Keyword Candidate Study | 30 | 4 | 8 | 10.5% |
| Sapphire Substrate Optical Window Keyword Candidate Study | 16 | 2 | 10 | 7.7% |
Company samples and record links
| Company | Jurisdiction | Recorded industry |
|---|---|---|
| China Glass (Weihai) Special Glass Co., Ltd. | Shandong | Advanced materials |
| Shenzhen Forbest PHOTOELECTRIC Technology Co., Ltd. | Shenzhen | Next-generation information technology |
| Hubei Doti Micro Technology Co., Ltd. | Hubei | Next-generation information technology |
| Zhejiang Shichuang Optics Film Manufacturing Co., Ltd. | Zhejiang | Next-generation information technology |
| Guangdong Huicheng Vacuum Technology Co., Ltd. | Guangdong | Advanced equipment |
| Jiaxing Wald Diamond Technology Co., Ltd. | Zhejiang | Advanced materials |
| Wuhan Eoptics Technology Co., Ltd. | Hubei | Advanced equipment |
| Wuhan Youguang Technology Co., Ltd. | Hubei | Next-generation information technology |
Directly related profiles and reports
| Page | Presentation |
|---|---|
| China Glass (Weihai) Special Glass Co., Ltd. | Company data profile |
| Shenzhen Forbest PHOTOELECTRIC Technology Co., Ltd. | Company report page |
| Hubei Doti Micro Technology Co., Ltd. | Company data profile |
| Zhejiang Shichuang Optics Film Manufacturing Co., Ltd. | Company report page |
| Guangdong Huicheng Vacuum Technology Co., Ltd. | Company report page |
| Jiaxing Wald Diamond Technology Co., Ltd. | Company data profile |