Perfis de portas e janelas from China
234 verified Chinese aluminum manufacturers in the perfis de portas e janelas category. 1 Tier A + 233 Tier B operators, 1 with documented exports. Combined indexed capacity: 600K t/yr.
This directory covers 234 Tier A and Tier B Chinese aluminum mills in the perfis de portas e janelascategory, verified against China's SAMR public business registry and publicly disclosed records. Customs-export-record enrichment (ImportYeti) is on the roadmap. Tier C operators (registry-only, thin-record) are excluded to keep the signal high for serious B2B buyers.
Of these 234 mills, 1 are Tier A — cross-verified against at least two authoritative sources (SAMR, stock-exchange filings, or an association roster) — and 233 are Tier B (registry-verified with partial operational data). 1 mills have documented export activity on record. Combined indexed extrusion capacity across mills that disclose figures: 600K tonnes per year.
Perfis de portas e janelas production in China is concentrated across 31 provinces. The largest cluster is in 河北 (43 mills, followed by 山东 (32) and 广东 (28)). The most commonly declared alloy grades across this category are 6063, 6061, 6005A, 6082. The average mill in this directory was established approximately 15 years ago (est. 2011). Mills in this category collectively export under 3 distinct HS codes.
Every entry is sourced from public records — no mill paid for inclusion, ranking position, or removal. Click any card for the full supplier profile including capability data, registered address, and customs history where available.
Capability snapshot · Perfis de portas e janelas
Aggregated from the 234 mills above. Counts show how many declare each capability — items appearing in fewer than 3 mills are omitted.
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How this list is built
Sources: China SAMR business registry (公司名、统一社会信用代码), public company filings, and capability data extracted from mill websites. Customs records (ImportYeti / Panjiva) are on the roadmap, not yet integrated. No paid placements; ranking is editorial, not pay-to-play.
Tier A = audit-grade verified (registry + export share + capacity disclosed). Tier B = registry-verified with partial operational data. Tier C suppliers are excluded from this aggregation to keep the page useful for buyers.
Frequently asked · Perfis de portas e janelas
Why are Perfis de portas e janelas suppliers from China concentrated in Sistemas arquitetônicos?
240 of the 234 Perfis de portas e janelas mills indexed here are based in Sistemas arquitetônicos, reflecting the long-standing aluminum extrusion + processing cluster around that region. Extrusão industrial hosts another 206; Perfis industriais hosts another 79.
What alloys and finishes do these Perfis de portas e janelas mills typically support?
Based on enrichment data across the 234 mills: most common surface finishes are anodized, powder-coat, electrophoresis. Counts shown next to each pill reflect how many mills declare that capability.
How were these 234 Perfis de portas e janelas mills selected?
Every mill registered with China SAMR whose category maps to "perfis de portas e janelas" is indexed when it has Tier A or Tier B verifiable operational data. Tier C (thin-record) entries are excluded from this page.