S"Series is a kind of double-open floor hinge and is applicable for aluminum door, steel door and toughened glass door."
本产品是一种双向开启的地弹簧，适用于铝型材门，钢门，钢化玻璃门的安装使用。
S"Series is a kind of double-open floor hinge and is applicable for aluminum door, steel door and toughened glass door."
本产品是一种双向开启的地弹簧，适用于铝型材门，钢门，钢化玻璃门的安装使用。
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