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Research findings
Cohort structure analysis
Recorded reporting jurisdiction counts in this 18-record cohort: Jiangsu (3 records); Fujian (3 records).
The record-count gap between Jiangsu and Fujian is 0, or 0.0% 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 | Jiangsu | 3/18 | 16.7% |
| reporting jurisdiction | Fujian | 3/18 | 16.7% |
| reporting jurisdiction | Shanghai | 2/18 | 11.1% |
| reporting jurisdiction | Hebei | 2/18 | 11.1% |
| reporting jurisdiction | Liaoning | 2/18 | 11.1% |
| industry | Energy conservation and environmental protection | 16/18 | 88.9% |
| industry | Next-generation information technology | 1/18 | 5.6% |
| industry | Producer services | 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 | 8/18 |
| Existing reviewed bilingual excerpt pairs | 8 |
| IDs linked to 2026 local lists | 2/18 |
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 | 0/18 |
| Product field | 2/18 |
| Sub-industry | 16/18 |
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 |
|---|---|---|---|---|
| Air Purification Exhaust Gas Treatment Keyword Candidate Study | 83 | 18 | 0 | 21.7% |
| Energy conservation, environmental protection and resource recycling / Core components and digital hardware Supply-chain Study | 5 | 2 | 16 | 9.5% |
Company samples and record links
| Company | Jurisdiction | Recorded industry |
|---|---|---|
| Fujian Lonjing Environment Technology Co., Ltd. | Fujian | Energy conservation and environmental protection |
| Hebei Huaqiang Technology & Development Co., Ltd. | Hebei | Energy conservation and environmental protection |
| Fushun TIANYU Filtration Material Co., Ltd. | Liaoning | Energy conservation and environmental protection |
| Shanghai Shengjian Technology Co., Ltd. | Shanghai | Energy conservation and environmental protection |
| Shenzhen Tiandeyi Environment Technology Co.,Limited | Shenzhen | Energy conservation and environmental protection |
| Suzhou Shijing Environmental Technology Co., Ltd. | Jiangsu | Energy conservation and environmental protection |
| Liaoning Boshi Technology Co., Ltd. | Liaoning | Energy conservation and environmental protection |
| PNC Process Systems Co., Ltd. | Shanghai | Energy conservation and environmental protection |
Directly related profiles and reports
| Page | Presentation |
|---|---|
| Fujian Lonjing Environment Technology Co., Ltd. | Company data profile |
| Hebei Huaqiang Technology & Development Co., Ltd. | Company report page |
| Fushun TIANYU Filtration Material Co., Ltd. | Company data profile |
| Shanghai Shengjian Technology Co., Ltd. | Company report page |
| Shenzhen Tiandeyi Environment Technology Co.,Limited | Company data profile |
| Suzhou Shijing Environmental Technology Co., Ltd. | Company data profile |