售后服务
现场检测, 线上技术支持, 现场指导, 现场安装, 免费备件
Easy be cleaned
Sound Insulation
Surface treatment
Powder coating, anodizing, electrophoresis etc
Advantage
Easy to operate and high-quality bifold doors
Glass
Double pane tempered clear glass
Tightness
Good sealing performance
Sealing
system:Moisture-resistant windows that are resilient to water and rust