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Research findings
Filter-difference study
Against the 3,137-record Electronic information and digital technology / Core components and digital hardware Supply-chain Study, this 2,827-record cohort shares 2,827 records. Only 0 occur here and 310 only in the reference; the union contains 3,137. These are filter-membership differences, not company entries or exits.
| Company cohort | Directly linked pages | Share of public archive | Archive date |
|---|---|---|---|
| 2,827 | 2,827 | 14.6% | 2026-10-16 |
An ID-deduplicated archive snapshot, not the whole market, current recognition or operating results.
Filter differences and comparison link
The largest recorded sub-industry participation gap is for Electronic assemblies and systems integration: 1,121/2,827 here versus 1,179/3,137 in the reference, an absolute difference of 2.1 percentage points. The cohorts have overlapping company IDs and are not independent samples.
| sub-industry | Focal count/base | Reference count/base | Participation gap (pp) |
|---|---|---|---|
| Electronic assemblies and systems integration | 1,121/2,827 | 1,179/3,137 | +2.1 |
| Optical communications and laser devices | 27/2,827 | 67/3,137 | -1.2 |
| Semiconductor equipment | 258/2,827 | 258/3,137 | +0.9 |
| Semiconductors and integrated circuits | 252/2,827 | 259/3,137 | +0.7 |
| Display and optoelectronic devices | 159/2,827 | 161/3,137 | +0.5 |
Zero means no recorded label, not no business; multi-label cells overlap.
Counts within parent sets
| Set | All records | This subset | Excluding this subset |
|---|---|---|---|
| Electronic information and digital technology / Core components and digital hardware | 3,137 | 2,827 | 310 |
| Next-generation information technology | 5,226 | 2,827 | 2,399 |
Observed labels
| Dimension | Label | Count/base | Participation |
|---|---|---|---|
| reporting jurisdiction | Jiangsu | 473/2,827 | 16.7% |
| reporting jurisdiction | Shenzhen | 413/2,827 | 14.6% |
| reporting jurisdiction | Guangdong | 280/2,827 | 9.9% |
| reporting jurisdiction | Zhejiang | 219/2,827 | 7.7% |
| reporting jurisdiction | Beijing | 193/2,827 | 6.8% |
Multi-label counts can overlap; filter compliance is not industrial advantage.
Evidence and list-linkage counts
| Measure | Count |
|---|---|
| Companies with existing sourced excerpts | 1,000/2,827 |
| Existing reviewed bilingual excerpt pairs | 1,043 |
| IDs linked to 2026 local lists | 684/2,827 |
| Product-field rule reminders | 51/2,827 |
Existing excerpts do not certify entire old reports; list linkage is not final recognition. Full definitions are on the series page.
Recorded roles and delivery checks
Component records require interface-level evidence
The Electronic assemblies and systems integration label covers 1,121 records (39.7% of this cohort). This archive clue raises a verification question about Components or modules with application specifications; it does not establish that these companies already deliver it.
Delivery framework, stages and original sourcesRelated studies and shared records
Shared records with Electronic information and digital technology / Core components and digital hardware Supply-chain Study: 2,827; records in this cohort but outside that set: 0. The intersection/union ratio is 90.1%, a measure of label overlap rather than business collaboration. Read comparison
Shared records with Electronic Components Passive Keyword Candidate Study: 1,200; records in this cohort but outside that set: 1,627. The intersection/union ratio is 39.9%, a measure of label overlap rather than business collaboration. Read comparison
Company samples and record links
| Company | Jurisdiction | Recorded industry |
|---|---|---|
| Wuhan Ruixin SPECIAL Optical FIBER Co., Ltd. | Hubei | Next-generation information technology |
| Hebei Shenke Electronics Co., Ltd. | Hebei | Next-generation information technology |
| Anhui Yofc Advanced Semiconductor Co., Ltd. | Anhui | Next-generation information technology |
| Yangzhou NISSEI Electronics Co., Ltd. | Jiangsu | Next-generation information technology |
| Guangzhou Robustel Co., Ltd. | Guangdong | Next-generation information technology |
| Shenzhen Newsonic Technologies Co., Ltd. | Shenzhen | Next-generation information technology |
| Shenzhen Advanced Connection Technology Co., Ltd. | Shenzhen | Next-generation information technology |
| Minami Acoustics Limited | Jiangxi | Next-generation information technology |
Directly related profiles and reports
| Page | Presentation |
|---|---|
| Wuhan Ruixin SPECIAL Optical FIBER Co., Ltd. | Company data profile |
| Hebei Shenke Electronics Co., Ltd. | Company data profile |
| Anhui Yofc Advanced Semiconductor Co., Ltd. | Company data profile |
| Yangzhou NISSEI Electronics Co., Ltd. | Company data profile |
| Guangzhou Robustel Co., Ltd. | Company data profile |
| Shenzhen Newsonic Technologies Co., Ltd. | Company data profile |