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Research findings
Cohort structure analysis
Recorded reporting jurisdiction counts in this 10-record cohort: Zhejiang (2 records); Fujian (2 records).
The record-count gap between Zhejiang and Fujian is 0, or 0.0% of this 10-record base. The gap concerns records, not revenue or market position.
| Company cohort | Directly linked pages | Share of public archive | Archive date |
|---|---|---|---|
| 10 | 10 | 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 | 10 | 19,287 |
Observed labels
| Dimension | Label | Count/base | Participation |
|---|---|---|---|
| reporting jurisdiction | Zhejiang | 2/10 | 20.0% |
| reporting jurisdiction | Fujian | 2/10 | 20.0% |
| reporting jurisdiction | Ningbo | 1/10 | 10.0% |
| reporting jurisdiction | Shanxi | 1/10 | 10.0% |
| reporting jurisdiction | Guangdong | 1/10 | 10.0% |
| industry | Energy conservation and environmental protection | 7/10 | 70.0% |
| industry | Advanced materials | 2/10 | 20.0% |
| industry | Next-generation information technology | 1/10 | 10.0% |
Multi-label counts can overlap; filter compliance is not industrial advantage.
Evidence and list-linkage counts
| Measure | Count |
|---|---|
| Companies with existing sourced excerpts | 3/10 |
| Existing reviewed bilingual excerpt pairs | 3 |
| IDs linked to 2026 local lists | 3/10 |
| Product-field rule reminders | 1/10 |
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 | 3/10 |
| Product field | 9/10 |
| Sub-industry | 0/10 |
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 |
|---|---|---|---|---|
| Air Purification Exhaust Gas Treatment Keyword Candidate Study | 83 | 10 | 0 | 12.0% |
| Sludge Solid Liquid Separation Keyword Candidate Study | 14 | 2 | 8 | 9.1% |
Company samples and record links
| Company | Jurisdiction | Recorded industry |
|---|---|---|
| Xinjiang Mjtc Environmental Technology Co., Ltd. | Xinjiang Production and Construction Corps | Energy conservation and environmental protection |
| Hangzhou Chuhuan Science & Technology Company Limited | Zhejiang | Energy conservation and environmental protection |
| Nanping Yuanli Active CARBON Company | Fujian | Energy conservation and environmental protection |
| Zhejiang Dong'ou Filtering Machines Manufacturing Co., Ltd. | Zhejiang | Energy conservation and environmental protection |
| Hanwei Electronics Group Corporation | Henan | Next-generation information technology |
| Guangdong Hanyan Activated Carbon Technology Co., Ltd. | Guangdong | Energy conservation and environmental protection |
| Datong Jinsheng Haoda Coal Industry Co., Ltd. | Shanxi | Advanced materials |
| Qingdao Guanbaolin Activated Carbon Co., Ltd. | Qingdao | Energy conservation and environmental protection |
Directly related profiles and reports
| Page | Presentation |
|---|---|
| Xinjiang Mjtc Environmental Technology Co., Ltd. | Company report page |
| Hangzhou Chuhuan Science & Technology Company Limited | Company data profile |
| Nanping Yuanli Active CARBON Company | Company report page |
| Zhejiang Dong'ou Filtering Machines Manufacturing Co., Ltd. | Company data profile |
| Hanwei Electronics Group Corporation | Company data profile |
| Guangdong Hanyan Activated Carbon Technology Co., Ltd. | Company data profile |