Construction materials and infrastructure / Basic and process materials Supply-chain Study

Comparative structure study

The largest recorded reporting jurisdiction, Zhejiang, contains 9 records (17.6% of this 51-record cohort). The remaining cohort contains 42 records. The comparison concerns archive composition.

The recorded sub-industry label Building materials accounts for 41.2% here (21/51), compared with 11.0% in the parent set (31/282), an absolute gap of 30.2 percentage points.

21/51 companies link to pages with existing source-supported excerpts (41.2% of the cohort). The other 30 records remain usable for archive composition, but do not support new operating case studies.

An ID-deduplicated archive snapshot, not the whole market, current recognition or operating results.

The parent set, Construction materials and infrastructure, contains 282 records. This cohort contributes 51 (18.1%); 231 records remain after excluding it.

The parent set, All public archive records, contains 19,297 records. This cohort contributes 51 (0.3%); 19,246 records remain after excluding it.

Ratio of label participation, not market share; multi-label counts overlap.

Excluding this cohort, the recorded sub-industry label Building materials covers 10/231 remaining records (4.3%), an absolute gap of 36.8 percentage points from this cohort.

The full reporting jurisdiction distribution has 21 labels; the top 3 contain 17/51 records (33.3%).Other known labels contain 34 records.

For 51 records with known labels, the effective category count is 13.8, versus 21 actual labels. Definitions and scope are in the methodology.

The table shows ten labels; 11 others are included in the calculations above.

Record counts do not rank supply capability or economic size.

The largest intersection, Zhejiang × Advanced equipment, contains 4 records, or 44.4% of the 9 records carrying the Zhejiang label.

A cell contains company IDs carrying both labels. It does not establish procurement, supply or investment relationships between firms. Multi-label cells may overlap.

This page displays 8 of the full cross-tab’s 39 non-empty cells; the other 31 remain in the analysis.

Non-empty fields are not necessarily accurate or supported by originals.

Counts concern existing reviewed bilingual excerpts, not re-certification of originals or entire reports.

A rule hit prioritises review; it does not establish that the entire field is wrong. One record can trigger several rules.

11 of this cohort’s 51 records link through existing company-ID mappings to 2026 lists from all jurisdictions (21.6%). This intersection measures list linkage, not successful recognition or company growth.

List rows and company IDs are separate counts, not new firms or final recognition.

Traditional materials require product and manufacturing checks

The Building materials label covers 21 records (41.2% of this cohort). This archive clue raises a verification question about Defined building products or production equipment with quality documents; it does not establish that these companies already deliver it.

Shared records with Green Building Materials Prefabricated Keyword Candidate Study: 21; records in this cohort but outside that set: 30. The intersection/union ratio is 21.2%, a measure of label overlap rather than business collaboration. Read comparison

Shared records with Energy Saving Windows Curtain Wall Keyword Candidate Study: 4; records in this cohort but outside that set: 47. The intersection/union ratio is 5.7%, a measure of label overlap rather than business collaboration. Read comparison

Stable-ID samples, not rankings; metrics use the full cohort.