... top-grade thermal break-bridge aluminum profileGlass4mm thickness,double glass,tempered glass,floated glass,coated glass,termpering ... cherry,red walnut,black walnut,sapeliTypeOne/two/thress rail,with /without srceen window,handing sliding door/sliding doorFeatrueThermal ... .2mm thickness high quanlity aluminum alloyGlassDouble 4mm thickness with or without temjpering glass,mirror wave/white oil/ ...