采用德国名牌折叠门专用五金件，上滑轨下滑槽结构，保证了折叠推拉顺畅、开启灵活。

Germany famous brand hardware parts and upper rail and bottom runner design ensure smooth operation.

youdao

采用德国名牌折叠门专用五金件，上滑轨下滑槽结构，保证了折叠推拉顺畅、开启灵活。

Germany famous brand hardware parts and upper rail and bottom runner design ensure smooth operation.

youdao