Doors &
Windows
Aluminium and uPVC windows, doors and curtain-wall systems from Chinese fabricators — listed with profile system and glazing build-up, the tested thermal and air-water-wind figures and who tested them, and the market marks stated plainly: CE marking to EN 14351-1 in the EU, NFRC ratings and AAMA/WDMA/CSA 101/I.S.2/A440 in North America, AS 2047 in Australia.
Landun Fire Doors
Steel insulated fire doors certified under five CCCF fire-product certificates to GB 12955-2024 (certification rule CCCF-CPRZ-33:2025): single-leaf FM/S-1227-A0.5 and FM/TbS-1227-A1.0/A1.5, double-leaf FM/TbS-2427-A1.0/A1.5 and unequal-leaf FM/TbS-2127, first issued 2026-07-28 and valid to 2031-07-27, read page by page with five type-test reports on 2026-09-12. Made by Dongguan Landun New Materials Technology Co., Ltd. (东莞市蓝盾新材料科技有限公司, USCC 91441900MAK2051F8R), a limited company registered 2025-12-09 in Dalingshan, Dongguan with registered capital of RMB 1 million, paid-in not disclosed. Registry read 2026-09-23: status active; scope covers door and window manufacture and processing, hardware manufacture and architectural metal products; no import/export clause; one insured employee against 10–50 stated on the application. Catalogue also lists timber and glazed fire doors, fire windows, fire shutters and security fire doors, none of them certified on the evidence seen. Stated terms: MOQ 500 pieces, sampling 10 days, production 30 days, target markets Singapore, Malaysia and Thailand. Open checks: who operates the production line; the stated annual capacity of 10,000,000 pieces does not reconcile with one insured employee or a December 2025 registration; exporter of record and invoicing party; no EN 1634-1, BS 476-22 or UL 10C evidence; one administrative-penalty item from a commercial aggregator, subject not confirmed.
Zhangmenren Doors & Windows
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