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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Our factory professional produces in floor spring, door clip, plastic wheels, hinge, window lock handle and other projects necessary hardware.

本厂主要生产地弹簧，门夹，塑料轮，合页，窗锁，执手等工程配套五金。

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Wang Yulan, a 56-year old retiree, moved into her new city-built apartment in a 33-floor Chongqing tower three months ago and immediately found a broken cupboard hinge, leak stains on both sides of her short foyer and badly misaligned window sills.

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