A History of Mystery: Door Locks and Keys

If you haven't already heard about the recent series of mystery door locks, then quickly check out our blog post. This is a fascinating story about door locks–which is actually much more than just a series of locked doors

The story begins with two separate groups of people who have been searching for the same thing. The first group consists of historians, who are trying to unlock a centuries-old mystery. The second group consists of inventors who are trying to build better door locks. These two groups come together in an unlikely way and discover something they never expected: They've been looking at the wrong door

The history behind this discovery is fascinating, but if you want to learn more about it then check out our blog post here

In this article we're going to talk about how you can use this discovery to improve your own life today by learning more about how your body works and what you can do to feel better overall.

euro cylinder door lock manufacturer

DOORWIN THE LEADING WINDOWS DOORS MANUFACTURER

Freedom to dream "truly custom-made"

Doorwin provides one-stop solution for professional windows doors manufacturer and installation. We have been serving customers with our high quality and branded products in United States, Asia and worldwide.

YOUR BESPOKE PLAN’S SOLVER

Our team of experts will work with you to develop a bespoke plan that fits your needs. We take a holistic approach to the planning process, combining our technical expertise with our knowledge of customer requirements and project constraints.

Full Custom Fenestration System

Find the true freedom to bespoke

Doorwin is the manufacturer of full custom fenestration systems, and we're here for you. We provide you with the freedom to design your windows, doors, and more with no additional charge for special shapes, hardware styles, and color choices. Your vision is our inspiration; our job is to make it a reality.
Our products are made to pass your local inspector's verification and are built under USA building codes so you can rest assured that they are safe and sturdy. Choose Doorwin to experience the best bespoke fenestration service available today!

Design Assistance Service

From manufacturing to delivery on site

We take care of the entire process for you, from beginning to end. We have our own expertise and will provide free-charge design development & contract documentation with CAD and BIM drawings. In addition to elevation details and installation design, we will double-check that the products match the drawings and project specifications through video or pictures. We'll help you specify the delivery schedule and logistics service whilst keeping costs to a minimum.

The Safest Delivery

5 layers packaging guarantee 0 damage

We're proud to be one of the top exporters of windows and doors to the United States. We pack each window individually and in four layers, and finally into wooden boxes with non-fumigation, and at the same time, there will be a lot of shockproof measures in the container to protect your items. We ensure that your products will arrive at the sites in good condition after long-distance transportation.
Doorwin has been exporting tens of millions of dollars of windows and doors to the U.S. every year, and we know that improper packaging can cause breakage of the product when it arrives on site. What the client concerns, we concern most.

What Projects Can We Take?

We are tested by the following standards:
-NFRC (North American Fenestration Rating Council)
-AAMA (American Architectural Manufacturers Association)
-WNMA (Wood National Monument Association)
-CSA101 (Canadian Standards Association)
-I.S.2 (International Standard ISO/IEC 17025)
-A440-11 (Standard for Fire Testing of Door Assemblies for Charging Rooms)

COOPERATE WITH US NOW GET THE BEST QUOTE

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