因外形相似7字，被称之为七字执手，它是门窗中的一个配件，广泛应用于铝合金和塑钢门窗上。
Because lookalike, 7, called Twentysomething handle, it is a fitting Windows and doors, widely used in aluminum and steel doors and Windows.
玻璃门窗和五金配件：各种材质、不同类型的组合门窗、五金配件等。
Glass Windows and doors and hardware fitting: Each kind of material quality, different type combination Windows and doors, hardware fitting and so on.
高档的门窗产品，源自高品质的型材和配件，更要有精心的设计和精细的加工，以确保门窗的卓越品质！
High-grade door window product, from a high quality material and accessories, the more will have elaborate design and fine processing, to ensure that the Windows and doors remarkable quality!
高档的门窗产品，源自高品质的型材和配件，更要有精心的设计和精细的加工，以确保门窗的卓越品质！
High-grade door window product, from a high quality material and accessories, the more will have elaborate design and fine processing, to ensure that the Windows and doors remarkable quality!
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