slim lite fire rated steel windows with tempered LOWE glass on China WDMA exterior Very easy to operate

Very easy to operate

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slim lite fire rated steel windows with tempered LOWE glass on China WDMA exterior Very easy to operateCompany Information We are the only one company in China who is authorized by OTTOSTUMM and JANSEN. The top 2 steel profile company in Europe. We are the only one factory who has NFRC certification for thermal break windows and doors up to now in China. We make windows, doors and thermal break windows as well as thermal break doors. About our factory: 4 engineers, 5 sales, 7 designers, 12QC and more than 150 experienced workers. 7 years golden