Aluminum Alloy Bi-Fold Window

Qingdao Yangguang Curtain Wall & Door-Window Engineering Co., Ltd. presents the 50 Series Non-Thermal Break Folding Window, a cost-effective aluminum alloy doors & windows product designed for patios and balconies. It can be flexibly matched with building curtain walls, plastic-steel doors & windows, fireproof doors & windows and energy-saving doors & windows to meet various supporting needs for residential and commercial buildings.   With 1.8-2.0mm thick profiles and standard 5mm+6A+5mm double insulated glass, this product achieves a minimum U-value of 4.5W/㎡·K, with optional upgrades to energy-saving doors & windows configurations. It also supports customized fireproof doors & windows solutions to balance safety and practicality.   As a cost-effective option in system doors & windows, this folding window features horizontal folding opening, soft-hard co-extruded EPDM sealing gaskets, and electrostatic powder coating finish, combining durability and a…