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Name Introduction Size Downloads Update Download
N152.pdf 5.11MB 28 2026-04-22 Download
NP150.pdf 4.91MB 17 2026-04-22 Download
NT81 Series Window and Door.pdf 4.61MB 24 2026-04-22 Download
NT120.pdf 4.17MB 11 2026-04-22 Download
NL8500.pdf 4.75MB 17 2026-04-22 Download
N8000.pdf 6.76MB 15 2026-04-22 Download
NT91.pdf 6.86MB 11 2026-04-22 Download
N8200.pdf 5.94MB 10 2026-04-22 Download
NorthTECH.pdf Northtech window catalogue and projects 5.80MB 289 2026-04-22 Download
nfrc 70KB 248 2026-04-22 Download
qai 114KB 243 2026-04-22 Download
CE 199KB 9 2026-04-22 Download
NAMI CERTIFICATE NI015781 109KB 284 2025-05-01 Download
SGCC - 2024.pdf 283KB 271 2025-05-01 Download
SGCC+Certificate_BEI01CH - 2023.pdf 280KB 276 2025-05-01 Download
Northtech window catalogue and projects 2025.pdf Northtech window catalogue and projects 2025 10.30MB 267 2025-04-30 Download
Beijing North Tech Windows, devoting to digital technology and scientific researches, is a systematic manufacturer of high-quality aluminum products.

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