In the Zhongtian · Wuxiang project, the slim line lift-slide door hardware system not only elevates the overall quality of the development but also provides residents with a living space that balances security and openness. From individual components to system solutions, 3H Building Hardware is committed to creating longterm architectural value through technological innovation.
As a professional supplier in the building hardware field, 3H Building Hardware consistently adheres to the philosophy of quality first and innovationdriven development, continuously improving its product portfolio and technical services to provide customers with safer, more efficient, and smarter building hardware solutions. Going forward, 3H will keep pace with smart home trends, support industry upgrades, and create more comfortable, convenient, and intelligent living spaces for users.
Choosing high quality, reliable hinges not only improves window safety but also extends service life and reduces maintenance costs. With strict European certification, premium materials, professional craftsmanship, and comprehensive aftersales service, 3H Building Hardware stands as a trusted brand in the industry. Through informed selection, you can ensure both performance and quality for your fireresistant windows in 2026 – safeguarding building safety.
Many people focus only on cue feel, forgetting that the cushion is the “soul spring” of a billiard table. With over four decades of technological accumulation in new materials, Meirun New Materials eliminates the uncertainty of cushion aging, perfectly fusing high elasticity with aging resistance – providing a solid rebound for every brilliant shot.
As the building door and window industry continues to upgrade, engineering projects have increasingly higher requirements for door and window hardware. Although a small component, friction hinges directly affect the safety, stability, and long-term user experience of windows.
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WHRZ12-304
| Products Name | Window Friction Stay Hinge |
| Brand Name | 3H, OEM |
| Model Number | WHRZ12-304 |
| Material | SS304 |
| Packing | Box, Parcel, Carton |
| Delivery Time | Shipped in 25 days after payment |
| Start Port | Foshan, Guangzhou, Shenzhen |
| Place of Origin | Guangdong, China |
| OEM/ODM Availability | Available |
| Supply Ability | 10,000 pieces per month |
| MOQ | 2000 pieces |
| Unlock the stay | Elevate and push the window sash |
| Application | Top hung window/Casement Window |
| Usage | Connect the window frame and sash,supporting window sash and realizing opening and closing function |
Outstanding Feature : Very Reasonable Price
Specification


Product Description
1. Material:Excellent 304 stainless steel.
2. Comply with the standards of Hong Kong Building Bureau and BS6375 of Britain.
3. Comply with JG/T127-2017 standards.
4. Opening angle can be produced based on customers’ requirement.
5. Special-designed flflexing resistance patent,professional manufacturing technique.
6. The product recommended by the window accessories committee of construction department.
7. Untimely update because of the technical and product commodity improvement;below parameters are just for reference(detail size parameters are subject to the real object)
8. Friction stay should be priority to ensure the joint strength of the profifile,the relay should be greater than the load level.
9. We should meet the window weight and window size specififications while selection of the sliding support
