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
Glass
double glass or triple glass
Glass Color
White\gray\blue\green\brown
Hardware
Chinese Top Brand or German ROTO
Glass Type
Single\double\tempering\floating\stained\low-e
Open type
sliding,swing,folding