fast install casement windowsUsing automobile-grade double layer tempered glass, with strong impact resistance and smooth ventilation,Use it safely and securely.Using high-precision international general 6063-T5 aluminum profile can enhance the compressio
Lithium is a kind of flammable metal, its temperature reaches 600 to 800 Celsius when burned. It is difficult to deal with the accident if there is a fire.*We must be aware enough of this situation and take special security measures.