550S

承重：80KG
特点：
经济实用，可实现灵活多样的配置方式，安装简单，操作简便。

550S series

Bearing weight: 80KG
Features:
It is economical and practical, which is flexible and diverse configuration methods, simple installation and easy operation.

550S-T

承重：80KG
特点：
全隐藏铰链，可实现灵活多样的配置方式，安装简单，
操作简便。

550S-T series

Bearing weight: 80KG
Features:
The fully hidden hinge can realize flexible and diverse configuration modes, simple installation and easy operation.

7174T

承重：200KG
适用开启尺寸：MAX 1200MM*3700MM
特点：
可选择无底座管理执手实现集中管理。同时实现开启窗的开启机构隐藏。
重型合页采用卡接式安装方式，易于安装，同时保证了长时间使用的可靠性。

7174T series

Bearing Weight: 200KG
Applicable opening size: MAX 1200MM*3700MM
Features:
Optional baseless management handle to achieve centralized management. At the same time, the opening mechanism of the opening window is hidden.
The high loading hinge adopts a snap-on installation method, which is easy to install and ensures the reliability of long-term use.