Double glazed 3 tracks sliding window

Double glazed 3 tracks sliding window is a high-quality window design that combines a number of advanced technologies and materials designed to provide excellent thermal and acoustic insulation as well as good ventilation. Single package size is 40X10X40 cm, single gross weight is 8.000 kg.
Below is a detailed description of the key features and benefits of this product. First, a fully enclosed sealing design. This design uses improved high-quality adhesive strips to form two seals, effectively

https://www.shaiyia.com/