Insights NorthTech

Aluminum Windows From China Good sealing performance The sealing performance of aluminum doors and windows is significantly better than that of steel, wood doors and windows, mainly because of its high processing precision and extremely tight assembly. Durable and maintenance-free Aluminum w...

Qingming Festival is a traditional Chinese festival observed by the Han Chinese of mainland China.During Qingming, families visit the tombs of their ancestors to clean the gravesites, pray to their ancestors and make ritual offerings.

When a single-hung window is opened, the lower sash partially obscures the upper sash.The bottom sash of a single-hung window can move vertically because the upper sash remains stationary.

Due to the low cost of raw materials and ease of processing,UPVC(Vinyl) are increasingly being used in window and door materials.The uPVC frame windows and doors are usually cheaper than those made of aluminum or wood.However,the uPVC is not as strong as aluminum or steel, so the frames of uPVC d...

Double-hung windows have two movable sashes that can be moved up and down, allowing ventilation at both the top and bottom. If you open both sides of a double-hung window sash halfway, it allows twice as much airflow as a single-hung window. The opening above the upper sash allows hot, unfresh ai...