China Professional Windows And Doors Manufacturer

WANJIA™ is your preferred window and door manufacturer.
Let the world use the happiness windows and doors of WANJIA™.







Profile: Aluminum/Vinyl
Type: Sliding/Casement/Folding/Awning/Hung…


Profile: Aluminum/Vinyl
Type: Sliding/Bifold/French/Spring…

About Us

Professional window and door manufacturer


High-quality, durable, and profitable window and door manufacturers & suppliers & wholesale in China!
WANJIA™ has been focusing on China’s window and door industry for more than 17 years. Our main project are aluminum windows, aluminum doors, uPVC windows, uPVC doors, curtain walls, sunrooms, etc.


Years Experience


Finished Projects


Export Countries


Trading Client

Our factory

We provide high-quality windows and doors


Why choose us

We pay attention to the smallest details and perfect finish. Many processes are still performed by hand in order to ensure the high quality standards.

Thickness Of The Aluminum

Features of high strenghth and resistance from corrosion and deformation

Sealing Strip

The high quality strip can efficiently prevent the water and dust,also can insulate the noise

Welding Process

The welding process is strictly controlled with a smooth stitching

Accessories Quality

All accessories are purchased from regular brand with the features of resistance from corrosion and rusting

Our Advantages

We pay attention to the smallest details and perfect finish. Many processes are still performed
by hand in order to ensure high-quality standards.


Reply within 3 hours, provide solutions within 12 hours, and provide solutions within 24 hours if the project is complex.


Our products save your energy efficiency through high-performance glass and excellent U value.


We have specialized R&D and production construction equipment to ensure the quality of our products.


We provide the packing method of wooden box and wooden frame to avoid damage during transportation.


We work with reputable forwarders to guarantee on-time delivery service to anywhere.


Provides one-on-one video installation instructions until your project is successfully installed.

Project Experience

Both in personal cases solution and project construction, WANJIA™ has professional guidance and experience.

Explore Our Blog

You can get some advice on windows and doors.

Do You Need Project Help?

All you need to do is send your project plan and our professionals will contact you immediately.

We’re Here For Any Service

We’d love to hear from you, if you have any questions, please let us know and we’ll get back to you in the shortest possible time!

Free Consultation

Get A Free Quote

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