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, Other
Glazing:
5mm+9a+5mm double clear glass
Glass
single, double, tempered, laminated, frosted glass
Tightness:
good sealing performance
Certificated:
ISO9001-2000
Surface treatment:
Powder coating
Anodizing,
Electrophoresis etc
Life span:
50 years guaranteed