售后服务
退换货, 现场检测, 线上技术支持, 现场指导, 现场安装, 免费备件
Size
As per customer specification
Hardware
Famous brand in China or German ROTO
Feature
Soundproof, waterproof ,fireproof
Advantage
durable , heat insulation,
Experience
8 year in this line
Glazing
single, double, tempered, laminated, frosted glass