83mm Thermal Break Aluminum Alloy Vertical Sliding Window Lifting Window on China WDMAProduct Description Type Vertical Sliding Window Opening Pattern Vertical Sliding Frame Material Aluminum alloy Color Finish Spray coating wood grain fluorocarbon Hardware Domestic high quality accessories imported accessories Glass Standard with 5+20A+5 Insulating glass Glass Standard Comply with AS2208 & ANSIZ97. 1, CE,CCC Door standard Comply with AS2047, CE Style: can do a variety of open design, can do any Angle corner window design Production