**remark ,the ventilated area is finite
Checking Assembly quality
1.repeated opening severial times ,watching the power of on/off is good
2.checking sealing strip whether it is firm
3.checking the full necessary hardware accessories
Such as above window styles : PVC louver , grill design sliding window , sliding door , tilt & turn window , top hung window , American style single hung window .
We pack well and easy to use leftcar to load containers
We also supply below windows