Choosing an original manufacturer (OEM factory) is key to ensuring hinge quality. Manufacturers with in-house production capabilities can strictly control the entire process from raw material procurement to final inspection, avoiding inconsistent quality control often associated with subcontracting or rebranding
<p style="margin-left:0.0000pt; margin-right:0.0000pt"><span style="font-family:Calibri; font-size:12.0000pt">Focusing on the theme "High-Performance Door & Window System Solutions," the company showcased cutting-edge innovative products, including:</span><span style="font-family:Calibri; font-size:12.0000pt">U-groove concealed casement window hardware system,</span><span style="font-family:Calibri; font-size:12.0000pt">Electric horizontal sliding window,</span><span style="font-family:Calibri; font-size:12.0000pt">Electric inward casement window,</span><span style="font-family:Calibri; font-size:12.0000pt">JTSM06/07 series lift-and-slide door hardware system,</span><span style="font-family:Calibri; font-size:12.0000pt">3HM1/NXC16 series tilt and turn hardware system</span>.</p> <p style="margin-left:72.0000pt"><!--[if !supportLists]--><!--[endif]--></p>
Regular maintenance is crucial for extending the service life of electric window openers. It is recommended to inspect the motor, wiring, and guide rails every three months, promptly removing dust and debris; avoid overloading; and regularly lubricate mechanical components to ensure smooth window operation.
Although door and window handles are small components, they directly affect daily usage convenience and safety.
3H Building Hardware will continue to uphold the development philosophy of "win-win cooperation and harmonious growth," focusing on advancing its expertise in door/window hardware and sealing systems.
AFS03L
3H INC.
| Products Name | Aluminium Anti-off safety lock |
| Brand Name | 3H or OEM |
| Model Number | AFS03 |
| Material | Aluminum alloy |
| Dimension | 15.81x3x0.55cm |
| Delivery Time | 25 days after get deposit |
| Start Port | Foshan |
| Place of Origin | China |
| Application | Outward opening window |
Outstanding Feature: Anti-Off Safety
Specification

Product Description
AFS03L stands for left version,AFS03R stands for right version.
Micro ventilation charateristic:
Its main function is to make good circulation on micro ventilation state.Meanwhile,it can prevent the children from danger and is anti-theft.Suitable for skyscraper,kindergarden,hospital and other public place.It adopts simple connection rod design which is suitable for many kinds of casement windows' profiles.
When switch is on complete opening position,window can be opened totally.
When switch is on the half open position,it's on the micro ventilation state.
Actually,when the safety lock is at the half-opening condition,please turn the knob to fasten.
When the safety lock is completely opening,please turn the switch to relieve.
