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Research findings
Cohort structure analysis
Recorded reporting jurisdiction counts in this 13-record cohort: Fujian (3 records); Shandong (2 records).
The record-count gap between Fujian and Shandong is 1, or 7.7% of this 13-record base. The gap concerns records, not revenue or market position.
| Company cohort | Directly linked pages | Share of public archive | Archive date |
|---|---|---|---|
| 13 | 13 | 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 | 13 | 19,284 |
Observed labels
| Dimension | Label | Count/base | Participation |
|---|---|---|---|
| reporting jurisdiction | Fujian | 3/13 | 23.1% |
| reporting jurisdiction | Shandong | 2/13 | 15.4% |
| reporting jurisdiction | Jiangxi | 2/13 | 15.4% |
| reporting jurisdiction | Zhejiang | 2/13 | 15.4% |
| reporting jurisdiction | Ningbo | 1/13 | 7.7% |
| industry | Advanced materials | 9/13 | 69.2% |
| industry | Advanced chemicals | 3/13 | 23.1% |
| industry | Biomedicine | 1/13 | 7.7% |
Multi-label counts can overlap; filter compliance is not industrial advantage.
Evidence and list-linkage counts
| Measure | Count |
|---|---|
| Companies with existing sourced excerpts | 4/13 |
| Existing reviewed bilingual excerpt pairs | 4 |
| IDs linked to 2026 local lists | 5/13 |
| Product-field rule reminders | 1/13 |
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 | 7/13 |
| Product field | 6/13 |
| Sub-industry | 2/13 |
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 |
|---|---|---|---|---|
| Silicone Fluorine Specialty Materials Keyword Candidate Study | 30 | 9 | 4 | 26.5% |
| Semiconductor PFA Fluoropolymer Clean Piping Keyword Candidate Study | 13 | 3 | 10 | 13.0% |
Company samples and record links
| Company | Jurisdiction | Recorded industry |
|---|---|---|
| Jiangxi Time Chemical Co., Ltd. | Jiangxi | Advanced chemicals |
| Shandong Ruihua Fluoride Industry Co., Ltd. | Shandong | Biomedicine |
| Fujian Deer Technology Corp. | Fujian | Advanced chemicals |
| Kelaibo (Jiangsu) Technology Co., Ltd. | Jiangsu | Advanced chemicals |
| Jiangxi Shilei Fluorine Material Co., Ltd. | Jiangxi | Advanced materials |
| Jinhua Yonghe Fluorochemical Co., Ltd. | Zhejiang | Advanced materials |
| Fujian Yongjing Technology Co., Ltd. | Fujian | Advanced materials |
| Shandong Huafu FLUORO-CHEMICAL Co., Ltd. | Shandong | Advanced materials |
Directly related profiles and reports
| Page | Presentation |
|---|---|
| Jiangxi Time Chemical Co., Ltd. | Company data profile |
| Shandong Ruihua Fluoride Industry Co., Ltd. | Company data profile |
| Fujian Deer Technology Corp. | Company data profile |
| Kelaibo (Jiangsu) Technology Co., Ltd. | Company data profile |
| Jiangxi Shilei Fluorine Material Co., Ltd. | Company data profile |
| Jinhua Yonghe Fluorochemical Co., Ltd. | Company data profile |