<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>
<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>
Aside from choosing the right materials, regular maintenance is essential. Periodically cleaning hardware surfaces to remove salt, dust, and accumulated water can effectively delay rust formation. Additionally, opt for accessories designed with drainage holes or channels to help eliminate water buildup and reduce the risk of corrosion.
This exhibition represents a dual breakthrough for 3H Building Hardware in terms of brand influence and market expansion. It not only strengthens the company’s position in the domestic market but, more importantly, opens the door to the ASEAN market.
CZH07E
3H INC.
Item No. | CZH07A |
Size | 143.5*28.5*58.2mm |
Application | casement window |
Length of fork | Optional |
Material | aluminum alloy |
Surface Treatment | Powder coating |
Color | Optional |
Components | cover |
Function | durable,easy-installation,smooth-operation |
Package | Box |
Specification

Product Description
1. Left and right version
2. Fork length is 25-65mm,the outside length of fork we can make as per customers’ requirements
3.Scope of application:Casement window,sliding door and top-hung window of home and office building.
FAQ
Q:What is the ordinary standard of multi-point handle?
A:The operating standard is JG/T 124-2017"Construction Door and Window Hardware-Multi-point Handle".
Item No. | CZH07A |
Size | 143.5*28.5*58.2mm |
Application | casement window |
Length of fork | Optional |
Material | aluminum alloy |
Surface Treatment | Powder coating |
Color | Optional |
Components | cover |
Function | durable,easy-installation,smooth-operation |
Package | Box |
Specification

Product Description
1. Left and right version
2. Fork length is 25-65mm,the outside length of fork we can make as per customers’ requirements
3.Scope of application:Casement window,sliding door and top-hung window of home and office building.
FAQ
Q:What is the ordinary standard of multi-point handle?
A:The operating standard is JG/T 124-2017"Construction Door and Window Hardware-Multi-point Handle".
