LD 82C Sliding Windows
1.Independent research technology-the improved style of old "828" windows
2.the capability of wind-resist:2000Pa-3000Pa
gas-dense index: 1.0-1.5m3/mh
water-dense index-lower track: 250Pa, under track with high side: 350Pa
3.inside or outside window screen
4.the security design- window sash being not disassembled from outside
5.ˇ°Longdingˇ± Brand hardware or PVC fittings
6.thickness of forced stick: 1.0mm ~ 1.4mm, choosing free by different installations