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GM-CTL密封推拉窗
GM-CTL Sealed Sliding Window
October 30, 2026 October 30, 2026

Focused on the needs of passive and green buildings,
we develop window and door systems that balance performance, durability, and system stability.

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  • 邮箱：office@gesai.cn
  • Tel: 022-23778500
  • Fax: 022-23778508
  • Address: 3rd Floor, Xinhuayuan Building, Hongqi South Road, Nankai District, Tianjin

Copyright © Tianjin Greatmen Building Decoration Engineering Co., Ltd. All Rights Reserved. Technical Support: Haiyunhui

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