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Research findings
Cohort structure analysis
Recorded reporting jurisdiction counts in this 18-record cohort: Shandong (3 records); Jiangxi (2 records).
The record-count gap between Shandong and Jiangxi is 1, or 5.6% of this 18-record base. The gap concerns records, not revenue or market position.
| Company cohort | Directly linked pages | Share of public archive | Archive date |
|---|---|---|---|
| 18 | 18 | 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 | 18 | 19,279 |
Observed labels
| Dimension | Label | Count/base | Participation |
|---|---|---|---|
| reporting jurisdiction | Shandong | 3/18 | 16.7% |
| reporting jurisdiction | Jiangxi | 2/18 | 11.1% |
| reporting jurisdiction | Hebei | 2/18 | 11.1% |
| reporting jurisdiction | Hunan | 2/18 | 11.1% |
| reporting jurisdiction | Qingdao | 2/18 | 11.1% |
| industry | Advanced materials | 11/18 | 61.1% |
| industry | New-energy vehicles | 4/18 | 22.2% |
| industry | New energy and power equipment | 2/18 | 11.1% |
| industry | Biomedicine | 1/18 | 5.6% |
Multi-label counts can overlap; filter compliance is not industrial advantage.
Evidence and list-linkage counts
| Measure | Count |
|---|---|
| Companies with existing sourced excerpts | 5/18 |
| Existing reviewed bilingual excerpt pairs | 5 |
| IDs linked to 2026 local lists | 6/18 |
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 | 6/18 |
| Product field | 10/18 |
| Sub-industry | 2/18 |
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 |
|---|---|---|---|---|
| Graphite Graphene Carbon Materials Keyword Candidate Study | 50 | 12 | 6 | 21.4% |
| Lithium Battery Cathode Anode Materials Keyword Candidate Study | 52 | 9 | 9 | 14.8% |
Company samples and record links
| Company | Jurisdiction | Recorded industry |
|---|---|---|
| Shandong Ruicheng Aerospace Carbon Materials Co., Ltd. | Shandong | Advanced materials |
| JiangXi ZiChen Technology Co., Ltd. | Jiangxi | New-energy vehicles |
| Hunan Dongying Carbon Materials Technology Co., Ltd. | Hunan | Advanced materials |
| Shanxi Gangke Carbon Materials Co., Ltd. | Shanxi | Advanced materials |
| CNBM Heilongjiang Graphite New Materials Co., Ltd. | Heilongjiang | Advanced materials |
| Qingdao Longdi CARBON MATERIALS Tech Co., Ltd. | Qingdao | Advanced materials |
| Hunan Zhongke Shinzoom Co., Ltd. | Hunan | Advanced materials |
| Lanxi Zhide New Energy Materials Co., Ltd. | Zhejiang | New-energy vehicles |
Directly related profiles and reports
| Page | Presentation |
|---|---|
| Shandong Ruicheng Aerospace Carbon Materials Co., Ltd. | Company data profile |
| JiangXi ZiChen Technology Co., Ltd. | Company data profile |
| Hunan Dongying Carbon Materials Technology Co., Ltd. | Company data profile |
| Shanxi Gangke Carbon Materials Co., Ltd. | Company report page |
| CNBM Heilongjiang Graphite New Materials Co., Ltd. | Company report page |
| Qingdao Longdi CARBON MATERIALS Tech Co., Ltd. | Company data profile |