售后服务
退换货, 免费备件, 现场检测, 现场指导, 现场安装, 线上技术支持
Steel material thickness
Top 1.0/2.0mm
Surface structure
Steel+cast aluminium
Lock cylinder
Full copper+metal keys
Infilling
Aluminum honeycomb paper
Opening direction
Swing Left/right for inside/outside
Rubber seal
High temperature resistance+sound proof+resistant
Door sill
Double layers 304 stainless steel
Price includes
Handle+installation screws+lockset+peephole+frame+carton
After-sales service
Lifelong