This standard applies to common window types such as casement windows (inward or outward opening), top-hung windows, and bottom-hung windows.
The lock cylinder is the core of anti-theft security and directly determines the lock's protection level. Among residential lock cylinders, C-grade lock cylinders currently offer the highest security and the longest resistance to technical unlocking, making them the preferred choice for families emphasizing theft prevention.
floor spring is a "door closer" hidden within the floor. It not only controls opening and closing but also allows adjustment of the closing speed and force. It holds the door steadily in place, preventing it from swinging uncontrollably in the wind.
Complies with the technical requirements of the national standard GB/T 37267-2018 "General Technical Conditions for Seismic Bracing and Hanging Systems in Buildings". The seismic bracing systems undergo comprehensive testing, including appearance, dimensions and tolerances, coating thickness, load-bearing performance of seismic connecting components, load-bearing performance of pipeline connecting components, cyclic loading performance, fatigue performance, fire resistance, and corrosion resistance.
<p>the sequential door closer ensures the doors close in the "right order," while the door closer ensures they "close properly." Understanding their differences is key to selecting the right components that meet safety standards while enhancing usability.for reliable door control hardware, consider 3H Hardware</p>
150kg floor spring
3H INC.
The hydraulic bottom glass door hinge known as the floor spring is designed to facilitate the movement of doors. Thanks to its versatile worm gear that allows rotation in both forward and reverse directions, the floor spring can be utilized for doors that open in either way.


Excellent shock absorption performance: Floor springs have the ability to endure the weight and vibrations caused by heavy objects, effectively serving as shock absorbers. In comparison to regular shock absorbers, floor springs offer a more prominent shock absorption effect.
Impressive cushioning capabilities: Floor springs can withstand certain displacements, thus providing a cushioning effect. During natural disasters like earthquakes, floor springs can minimize the impact on buildings and mitigate potential damages.
Exceptional durability: Constructed from top-notch materials, floor springs boast a prolonged lifespan. Additionally, they are highly resistant to harsh natural conditions, ensuring enhanced durability.
Simple installation process: Installing a floor spring is incredibly convenient and can be easily adjusted to suit specific requirements. No extensive tools or specialized skills are necessary for installation.


Key Functions
Precise Self-Alignment: Our line of 100KG floor springs guarantees accurate self-alignment, guaranteeing flawless operation and outstanding efficiency.
Unwavering Excellent Quality: Dedicated to upholding superior manufacturing and material standards, we assure you a product that surpasses industry requirements and fulfills your expectations.
Effortless Functionality: Engineered for effortless functionality, our 150KG floor springs ensure doors glide open and shut smoothly, ensuring a seamless experience.
About 150KG Floor Spring

our remarkable floor spring, load bearing is 150kg. This groundbreaking creation is specifically designed to improve your space while prioritizing safety and convenience.
With its precise automatic positioning, you can have complete confidence that every movement will be executed flawlessly. Say goodbye to concerns about misalignments or uneven surfaces!
Rest easy knowing that our glass floor springs are guaranteed to offer exceptional quality and stability. They are meticulously crafted to the highest standards, ensuring long-lasting and reliable performance that you can rely on.
Experience effortless and seamless operation with this floor spring, capable of effortlessly supporting heavy glass doors weighing up to 150kg. Its flawless functionality guarantees that your door will open and close effortlessly, providing a hassle-free experience for everyone.
Elevate your space with our glass floor springs, its load bearing is 150kg, and enjoy the perfect combination of style and functionality.Enhance your surroundings while maintaining a safe and visually appealing environment. Trust in the superior performance of our products and let them revolutionize the way you interact with your space.
The hydraulic bottom glass door hinge known as the floor spring is designed to facilitate the movement of doors. Thanks to its versatile worm gear that allows rotation in both forward and reverse directions, the floor spring can be utilized for doors that open in either way.


Excellent shock absorption performance: Floor springs have the ability to endure the weight and vibrations caused by heavy objects, effectively serving as shock absorbers. In comparison to regular shock absorbers, floor springs offer a more prominent shock absorption effect.
Impressive cushioning capabilities: Floor springs can withstand certain displacements, thus providing a cushioning effect. During natural disasters like earthquakes, floor springs can minimize the impact on buildings and mitigate potential damages.
Exceptional durability: Constructed from top-notch materials, floor springs boast a prolonged lifespan. Additionally, they are highly resistant to harsh natural conditions, ensuring enhanced durability.
Simple installation process: Installing a floor spring is incredibly convenient and can be easily adjusted to suit specific requirements. No extensive tools or specialized skills are necessary for installation.


Key Functions
Precise Self-Alignment: Our line of 100KG floor springs guarantees accurate self-alignment, guaranteeing flawless operation and outstanding efficiency.
Unwavering Excellent Quality: Dedicated to upholding superior manufacturing and material standards, we assure you a product that surpasses industry requirements and fulfills your expectations.
Effortless Functionality: Engineered for effortless functionality, our 150KG floor springs ensure doors glide open and shut smoothly, ensuring a seamless experience.
About 150KG Floor Spring

our remarkable floor spring, load bearing is 150kg. This groundbreaking creation is specifically designed to improve your space while prioritizing safety and convenience.
With its precise automatic positioning, you can have complete confidence that every movement will be executed flawlessly. Say goodbye to concerns about misalignments or uneven surfaces!
Rest easy knowing that our glass floor springs are guaranteed to offer exceptional quality and stability. They are meticulously crafted to the highest standards, ensuring long-lasting and reliable performance that you can rely on.
Experience effortless and seamless operation with this floor spring, capable of effortlessly supporting heavy glass doors weighing up to 150kg. Its flawless functionality guarantees that your door will open and close effortlessly, providing a hassle-free experience for everyone.
Elevate your space with our glass floor springs, its load bearing is 150kg, and enjoy the perfect combination of style and functionality.Enhance your surroundings while maintaining a safe and visually appealing environment. Trust in the superior performance of our products and let them revolutionize the way you interact with your space.
