Specifications

Features:
1) Designed with double sealing and excellent airtight performance
2) Easy to assemble b

Features:
1) Designed with double sealing and excellent airtight performance
2) Easy to assemble by plug-in, aesthetic in appearance
3) Economical and general use with simple and convenient craft
4) Drain off water smoothly by the design of ladder gliding shape, the casement  
    inside is easily  swabed and serviced
5) Good performance against theft and climbing, safely and reliably
6) The hardware accessories are good performance in simple and general use