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Research findings
Filter-difference study
Against the 18-record Ndt Industrial CT Keyword Candidate Study, this 12-record cohort shares 12 records. Only 0 occur here and 6 only in the reference; the union contains 18. These are filter-membership differences, not company entries or exits.
| Company cohort | Directly linked pages | Share of public archive | Archive date |
|---|---|---|---|
| 12 | 12 | 0.1% | 2026-10-16 |
Deduplicated company IDs.
Filter differences and comparison link
The largest recorded sub-industry participation gap is for Instrumentation and testing equipment: 1/12 here versus 4/18 in the reference, an absolute difference of 13.9 percentage points. The cohorts have overlapping company IDs and are not independent samples.
| sub-industry | Focal count/base | Reference count/base | Participation gap (pp) |
|---|---|---|---|
| Instrumentation and testing equipment | 1/12 | 4/18 | -13.9 |
| X-ray flat-panel detectors | 0/12 | 1/18 | -5.6 |
| Special-purpose machinery | 2/12 | 2/18 | +5.6 |
| Medical devices and health equipment | 0/12 | 1/18 | -5.6 |
| Electronic assemblies and systems integration | 0/12 | 1/18 | -5.6 |
Zero means no recorded label, not no business; multi-label cells overlap.
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 | Shanghai | 2/12 | 16.7% |
| reporting jurisdiction | Ningbo | 2/12 | 16.7% |
| reporting jurisdiction | Anhui | 1/12 | 8.3% |
| reporting jurisdiction | Guangdong | 1/12 | 8.3% |
| reporting jurisdiction | Jiangsu | 1/12 | 8.3% |
| industry | Advanced equipment | 6/12 | 50.0% |
| industry | Next-generation information technology | 3/12 | 25.0% |
| industry | Advanced materials | 1/12 | 8.3% |
| industry | New energy and power equipment | 1/12 | 8.3% |
| industry | Producer services | 1/12 | 8.3% |
Multi-label counts can overlap; filter compliance is not industrial advantage.
Evidence and list-linkage counts
| Measure | Count |
|---|---|
| Companies with existing sourced excerpts | 2/12 |
| Existing reviewed bilingual excerpt pairs | 2 |
| IDs linked to 2026 local lists | 1/12 |
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 | 0/12 |
| Product field | 9/12 |
| Sub-industry | 3/12 |
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 |
|---|---|---|---|---|
| Ndt Industrial CT Keyword Candidate Study | 18 | 12 | 0 | 66.7% |
| Industrial Xray Detectors Imaging Keyword Candidate Study | 14 | 8 | 4 | 44.4% |
Company samples and record links
| Company | Jurisdiction | Recorded industry |
|---|---|---|
| Unicomp Technology Group Co., Ltd. | Jiangsu | Advanced equipment |
| Guangzhou Doppler Electronic Technologies Co., Ltd. | Guangdong | Next-generation information technology |
| Wuhan Optics Valley Zoyon Science and Technology Co., Ltd. | Hubei | Advanced materials |
| Ningbo Chuanyuan PRECISION Machinery Co., Ltd. | Ningbo | Advanced equipment |
| Jinjiang Anhai Liancheng Machinery Co., Ltd. | Fujian | Advanced equipment |
| China Railway Harbin Group of Technology Corporation | Heilongjiang | Advanced equipment |
| Shen Zhen Zhuo Mao Technology Co., Ltd. | Shenzhen | Next-generation information technology |
| Dandong Aolong Radiative Instrument Group Co., Ltd. | Liaoning | Advanced equipment |
Directly related profiles and reports
| Page | Presentation |
|---|---|
| Unicomp Technology Group Co., Ltd. | Company report page |
| Guangzhou Doppler Electronic Technologies Co., Ltd. | Company data profile |
| Wuhan Optics Valley Zoyon Science and Technology Co., Ltd. | Company data profile |
| Ningbo Chuanyuan PRECISION Machinery Co., Ltd. | Company report page |
| Jinjiang Anhai Liancheng Machinery Co., Ltd. | Company data profile |
| China Railway Harbin Group of Technology Corporation | Company report page |