Hunan Feishanqi Construction Technology Co., Ltd.
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Groove pressing
The groove can also be used for door and window installation. By creating an opening-shaped groove along the edge of the door frame wall—higher on the inside and lower on the outside—the installation of fixing clips becomes simpler and more effective for waterproofing. Moreover, the groove can reduce the difficulty of subsequent construction work.
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South of Yingwu Road, Tianyi Demonstration Zone, Xiangtan City, Hunan Province, China
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