JKL rolling shutter window introduction
(1)Brand - JKL rolling shutter window
materials :

1. powder coated profile 1.2mm thickness,  with remote machines or normal handle

2. powder coated profile 1.4mm thickness, with remote machines or normal handle

3. wooden package

4. one 40 HQ container can be load 500pcs windows.

5. Production advantage
1.Environmental-(Si-Mg aluminium, high anti-corrosion performance)
2.Soundproof-(effective sound insulation, good air tightness)
3.Energy saving-low carbon, air tightness and water tightness