China Factory Heavy Duty Folding Door - 180kg Sliding Bearing Capacity from Reliable Suppliers
Product Features
- The outer frame of HYQJ120C series adopts a double thermal break structure.
- The outer sliding frame adopts 90-degree splicing; the frame of sash adopts 90-degree end milling screw splicing technology.
- The lower track adopts a combined sinking drainage, which is conducive to the lower pulley not being easily soaked in water, using water pressure to drain water, smooth drainage, beautiful appearance, and increases the service life of the lower pulley.
- Double-track design of the lower track, and double-row wheels design of the glass sash make the door sash open and close more smoothly.
- The door sash adopts a multiple strips sealing design, and the upper and lower overlapping parts of the indoor and outdoor sashes use special sealing accessories to block strong winds layer by layer, insect-proof, dust-proof, and waterproof.
- Customized upper anti-sway wheel to reduce the door sash swing and shaking during sliding.
- The upper rail is also a hidden rail, which is beautiful in appearance and symmetrical up and down.
- Adopts push-pull automatic lock.
- This series of glass adopts the process of internal structural glue and external sealing or pressing strip to increase the integrity between the glass and the sash.
- Thickened and strengthened middle mullion to increase the strength of the whole window.
- Diversified opening and fixing forms, high load-bearing design to meet the application requirements from small opening sliding windows to super large sliding doors, equipped with one fixed and one pushed opening method, greater transparency, and larger sunlight area.
- Glass guardrails use thickened laminated glass, which has a better view and safer.
Frequently Asked Questions
What is the frame structure of the HYQJ120C series?
The outer frame of the HYQJ120C series adopts a double thermal break structure to ensure superior insulation performance and energy efficiency.
How does the drainage system protect the lower pulley?
The system features a combined sinking drainage design on the lower track. It utilizes natural water pressure to drain water smoothly, preventing the lower pulley from being soaked and thereby extending its service life.
What measures are taken to prevent the doors/windows from shaking?
A customized upper anti-sway wheel is integrated into the design, which significantly reduces the door sash's swing and shaking during sliding operations.
How does the window system ensure weather and insect resistance?
The door sash uses a multiple strips sealing design. Special sealing accessories are applied to the upper and lower overlapping parts of both indoor and outdoor sashes to block strong winds, insects, dust, and water layer by layer.
Can this system support large-scale sliding door applications?
Yes, the system features a high load-bearing design and diversified opening and fixing forms. It is engineered to meet application requirements ranging from small opening sliding windows to super large sliding doors.
Are the glass guardrails safe?
Yes, the glass guardrails use thickened laminated glass, which provides an unobstructed view while ensuring optimal safety and strength.




Sliding Door
Folding Window
Skylight
Casement Window
Sliding Window
System Window
Tilt and Turn Window
Sun Room


