Aluminum Bi-folding Door
1、The household aluminum alloy bi-folding door material selection
Our household aluminum alloy bi-folding door is made from ultra-precise aviation-grade aluminum alloy 6060-T66 with a hardness of 14. It features a 40mm wide European-standard nylon PA66-GF25 heat insulation strip, effectively preventing cavity convection. For modern spaces, whether the household aluminum alloy bi-folding door,stainless steel slide folding door,aluminum alloy folding door or sliding glass doors for elevators offers a sleek design with superior performance.


2.Stainless steel slide folding door has the advantage of practicality.
The EPDM soft and hard co-extruded sealing strips greatly enhance water and air tightness. It also features a unique PRD drainage system with a concealed channel for efficient water drainage. For a modern aesthetic, whether the household aluminum alloy bi-folding door,stainless steel slide folding door,aluminum alloy folding door or sliding glass doors for elevators offer a stylish option with similar high-performance features.


3.Aluminum alloy folding door has the advantage of working with high-end brands.
The aluminum alloy bi-folding door features American CMECH handles, high load-bearing hinges, and wear-resistant stainless steel pulleys for durability and smooth performance. It includes a multi-lock point system with anti-skid design, German angle injection technology, and a unique anti-collision lock for enhanced safety and ease of use.

Configuration Description
| Lever Handle | American CMECH | |||
| Hardware brand | American CMECH | |||
| Surface treatment | Netherlands AkzoNobel | |||
| Sealant strip | EPDM | |||
| Product wall thickness | Profile wall thickness 2.0mm | |||
| Glass size | 28-29mm/38-39mm | |||
| Aluminum profile | 6060-T66 primary aluminum | |||
| Heat insulation strip | 24mm special-shaped multi-cavity insulation strip | |||
System Structure
| Look at the size | Frame 55mm Sash 47mm | |||
| Product thickness | Frame 80mm Sash 70mm | |||
| Cavity structure | Household aluminum alloy bi-folding door frame and sash adopt the indoor and outdoor double cavity structure design, with a 45-degree cutting angle and glue injection technology, which is stable and safer. | |||
| Frame Link | The stainless steel slide folding door outer frame connection adopts a 90-degree splicing design for the connection parts, which makes the connection more secure. | |||
| Drainage structure | Exterior surface of the frame and horizontal stile adopts a flat drainage design to efficiently drain water and prevent rainwater backflow. | |||
| Sealed design | Sliding rubber seal and independent drainage design provide better watertight performance. | |||
| Insulation cavity | The maximum design of the insulation strip cavity, which can be equipped with rubber foam filling technology, greatly improving the thermal insulation performance. | |||
| Lock point lock seat | Whether the household aluminum alloy bi-folding door,stainless steel slide folding door,aluminum alloy folding door or sliding glass doors standard multi-point security anti-theft lock points. | |||
| Corner code corner piece | Features an injection solid corner code + stainless steel screw corner piece design, which is safer and more secure. | |||


About Us
GREBORN was established in 2013, following a decade of experience exploration and technological advancement. With stringent R&D design and manufacturing standards, we are dedicated to providing professional solutions for building facades. Equipped with a digital intelligent factory boasting an annual processing capacity exceeding 150,000 square meters and supported by a team of over 20 R&D professionals holding numerous patents, has successively received honors such as one of the top ten brands in the chinese door and window industry, one of the top ten brands for national product quality certification, and one of the top ten quality brands in the national door and window industry.
