bifold

The oceanfront terrace, eight meters by four, has a glass balustrade and bifold doors.
面朝大海的露台长八米，宽四米，带有一圈玻璃栏杆和一道双开门。
European Bifold Patio Doors have special open way. It can make internal as external and it is ideal doors for wide opened wall.
欧式折叠门具有独特的开启方式，能在瞬间将室内变成室外（启）是理想的大型通风采光门窗。