<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.
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PLD08-PS
3H INC.
Item No. | PLD08-PS |
Size | / |
Application | UPVC sliding windows |
Width | 10mm |
Base material | Zinc alloy |
Wheel material | Reformative POM |
Finish | Natural |
Load Weight | 20kg/pair |
Function | durable,easy-installation,smooth-operation |
Specification

Product Description
1. Apply for UPVC sliding windows.
2. Using excellent zinc alloy material.
3. Durable,easy-installation,smooth-operation
4. Max loading weight is 20kg/pair.
5.Surface treatment:403 natural.
FAQ
Q:What is the standard of this kind of roller?
A:The operating standard of the roller is JG/T129-2017.
Q:How long is the guarantee?
A:The window roller work well after tests of 25000 times tested with its biggest capacity.
Item No. | PLD08-PS |
Size | / |
Application | UPVC sliding windows |
Width | 10mm |
Base material | Zinc alloy |
Wheel material | Reformative POM |
Finish | Natural |
Load Weight | 20kg/pair |
Function | durable,easy-installation,smooth-operation |
Specification

Product Description
1. Apply for UPVC sliding windows.
2. Using excellent zinc alloy material.
3. Durable,easy-installation,smooth-operation
4. Max loading weight is 20kg/pair.
5.Surface treatment:403 natural.
FAQ
Q:What is the standard of this kind of roller?
A:The operating standard of the roller is JG/T129-2017.
Q:How long is the guarantee?
A:The window roller work well after tests of 25000 times tested with its biggest capacity.
