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

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Fire door hardware is the heart and joints that enable fire doors to function as a "critical barrier." So, how should you choose from the wide array of fire door hardware available on the market? Today, 3H will share some tips for selecting the right products. Read More

3H New Factory Phase II: Beam Raising & Topping Out Ceremonies Held Successfully! In June, marked a pivotal milestone for 3H New Factory (also known as 3H Smart Factory) Phase II construction: the Beam Raising Ceremony for Plant I and the Topping Out Ceremony for Dormitory Building A were triumpha

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HHK**A Series Sliding Support | Honored to be listed as "Guangdong Province Famous and High-quality Hardware Products" and "Foshan Standard Product Certification" Recently, the list of "Guangdong Province Famous and High-quality Hardware Products" and "Foshan Standard Product Certification" was anno Read More

Enhance Safety And Convenience of Concealed Door Closer What’s the Concealed Door Closer? Concealed door closer have become a popular choice when it comes to ensuring door safety and functionality. These innovative devices provide high-quality performance, superior fire resistance and outstanding s Read More

The knowleage of Door and window hardware : how to adjust the closing force of door closer? Adjust the closing force of the door closer is also to adjust the closing speed, the force is large when the speed is fast, the force is small, the door closer closing speed is slow. Adjust the closing speed Read More