售后服务
线上技术支持, 现场安装, 现场指导, 现场检测, 免费备件, 退换货, NONE
Surface treament
powder coated ,anodized,electrophoresis
Hardware
famous brand in China or German Roto
Size
as per client specification
Special fucnction
fireproof,waterproof,soundproof
Application area
resident,office,industrial,etc.
Glass
single,double,tempered, laminated, frosted glass