1.       Window frames and opening windows adopt embedded structure, add bracing sheet, conveniently install, wind load resistance and anti-twist deformation

2.       Can install single glass or hollow glass, glass thickness 5-24mm

3.       Variety hermetically sealed construction, be applicable for different areas use, with good air-tightness

4.       The lower rail material adopts three-stepped structure, the fall reach 10mm, adapt characteristic of backwater design, multi-layer drainage holes make the drainage smoother, keep the air-tight window impervious and leak-proof, fit for the water-tight requirement of the coastal areas

5.       Inner window adopt double hollow design with handle, higher wind pressure resistance, and with excellence hand feel

6.       The low slide with umbrella or cylinder stem design, efficiently dispersing the load of the opening windows, open and close freely, convenient and durable