14 diameter Steel Fire Proof Door Eye Peephole Door Viewer

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Product Description


14 diameter Steel Fire Proof Door Eye Peephole UL Door Viewer


Item nr.



35-50 / 40-60 / 50-70 / 60-80 / 70-90 mm


as above


brushed / polished / Electroplated

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Procedure Video

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How We Commitment To Quality

ALLWIN commitment to quality” is one of the values in ALLWIN culture.

To ensure the quality consistent, ALLWINinspect and well-control each procedure throughout the mass-production.

1. To ensure the material component follows the ASTM standard, ALLWIN use spectrometer to check the raw material before production. Before casting, we check the stainless steel element. After die-cast out, we check aging the casting. We also use spectrometer to check the solid bar before we start to machining it.

We also do the hardness testing for the product if necessary.


2. ALLWINuse measuring tools to check the product in each procedure throughout the mass-production to ensure the dimension of product meet customer’s requirement.222222222222.jpg

3. ALLWIN arrange Quality control department in each step of the mass-production to ensure each production fulfill their duty to produce well-product.

4. ALLWIN use salt spray testing machine to test the product, to ensure it meet specific corrosion-resistance requirement.


5. ALLWIN use 2D and 3D drawing to communicate with customer, which is clearly and accurately.
we also have a 3D printer which helps us to develop new item and also prints sample for customer approval.


Base on above five quality control steps, ALLWIN proudly says that ALLWIN commitment to quality

UL Door Viewer

ALLWIN - Innovative UL Door Viewer Supplier


The door viewer is a security device for commercial and residential. in addition to the locking system, the door viewers allow you to view the scene in front of your door. A Door Viewer can prevent strangers from invading and bothering.


ALLWIN produces and designs door viewers and UL door viewers for different use. UL door viewers are specially installed on the UL fire door. The materials of UL door viewers have UL certification which maintains UL door viewers work normally in an emergency.


ALLWIN is your best choice of UL door viewer suppliers, so contact us right now!

0.0125 s.