Balcony sliding doors, solid wood and alloy which good, thank you
Balcony if the seal is good, not the sun exposure position, you can not do sliding doors;
If the seal is not good, or summer sunshine environment, it is necessary to do sliding doors to block dust and hot air. The gate price of different materials is different, so is the door. A lot of door selling business, in order to retain customers, quote the times is not comprehensive