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
sizes
as customer' s request
type
casement, sliding, tilt&turn
glass
single.double and triple glazing
material
thermal break alminium
advantages
airproof, anti-theft, soundproof
energy saving
heat insulation
surface treatment
powder coating and anodized