Fireproof Peephole Aluminum Range UL Door Viewer

How we promise quality

"win allCommitment to Quality" is one of our valueswin allculture.

To ensure consistent quality,win allEvery program is checked and controlled throughout the mass production process.

1. Ensure that the material composition meets ASTM standards,win allRaw materials are inspected with a spectrometer before production. Before casting, we inspect the stainless steel components. After the die casting comes out, we check the aging condition of the casting. We also use a spectrometer to inspect solid rods before starting processing.

If necessary, we also carry out a hardness test on the product.

2.win allEach process in the entire mass production process uses measuring tools to test the product to ensure that the product size meets customer requirements.

3.win allA quality control department is arranged at every step of mass production to ensure that each production is dutiful and produces high-quality products.

4.win allProducts are tested using a salt spray tester to ensure they meet specific corrosion resistance requirements.

5.win allCommunicate clearly and accurately with clients using 2D and 3D drawings.
We also have a 3D printer that can help us develop new products and also print samples for customer approval.

Based on the above five quality control steps,win allproud to say "win allCommitment to Quality”

doors and windows

ALLWIN Door Viewer Supplier – With High Quality and Design

ALLWIN manufactures and designs door viewers and UL door viewers for different purposes. You can find more details on the category webpage.

An access control is a type of security device used in businesses and residences. In addition to the locking system, the door viewer allows you to view the scene in front of the door. Door Viewer prevents intrusion and disturbance from strangers.

Let Owen be your door and window supplier!