Your professional window and door manufacturer

Upgrade to our energy-efficient windows and doors to save up to 30% on your heating and cooling costs. Take advantage of our flexible financing options to make your investment more affordable.

What project help do you need?



High-quality products in the industry



Unparalleled experience from customization to installation



Ensure 100% customer satisfaction

WANJIA™  Products System


  • Sliding
  • Folding
  • Casement
  • Awning
  • Picture
  • Tilt And Turn
  • Single-Hung
  • Double-Hung
  • Skylight
  • Other(Contact Us)


  • Sliding
  • Folding
  • Casement
  • Screen
  • Hinged
  • Garage
  • Pivot
  • Stacking
  • Lift Sliding
  • Other(Contact Us)

Didn't find a suitable product?

Check out our showroom now to discover a large selection of durable and energy-efficient windows and doors

About Us

WANJIA™ is one of the leading manufacturers of doors, windows, sunrooms and curtain walls in China. Located in Foshan, it covers an area of 30,000 square meters and an office area of 3,000 square meters. Provide all kinds of windows and doors design and manufacture, the monthly production capacity of about 15,000 square meters.

Our Certificates

Why Work With Us

Providing OEM solutions

Bringing you cost effective and profitable OEM windows and doors, we will immerse the 'wow' factor into your projects. WANJIA™  is committed to finding a solution that fits your goals and budget, while ensuring that everything meets your specifications.

Competitive pricing

Your return on investment is important to us. Our supply chain, consisting of factories both upstream and downstream of our location, is fully capable of sourcing premium materials at low cost and at incredible speed.

All-In-One Customized Products

Tailored to your window or door type, glass/thickness options, opening styles, sizes and product colors

Secure Packaging

The WANJIA™ professional packaging system ensures that all products arrive safely. We use two main types of packaging to avoid surface scratches or bumps on our products.

Fast Shipping

We produce in-house with a corresponding location about one hour away from the main sea ports, which allows us to speed up the delivery of orders.

Custom Options

  • Color

  • Glass

  • Grid

  • Hardware

About Profile Color

When selecting a finish color for your windows and doors, take into account factors such as personal style, coordination with the interior and exterior, durability, and any specific guidelines or regulations. By considering these aspects, you can choose a finish color that not only enhances the visual appeal of your windows and doors but also complements the overall design and atmosphere of your space.

We offer a variety of colors for custom finishes. In addition to the color on the color card, if you need to customize other colors, please contact us, and we will communicate in detail.

We also have other customization options

How to Purchase WANJIA™  Windows & Doors?

Whether you're a new build, a replacement, or a professional, we can design a range of quality windows and doors to give you everything you need.

Fill Out The Online Form

Please submit the form information and our professionals will discuss your project within 3 hours.

Realize Your Design Options

After understanding your needs, we will further discuss product features, installation, design capabilities, customization options, etc., to ensure that we can help you find the most suitable product.

Production & Assembly of Your Product

After confirming your choice, we will arrange the production and assembly of your product in the shortest possible time.

Pack & Ship Your Product

Once assembled, we pack your product in the safest possible way and ship it to its destination.


years experience


finished projects


export countries


trading client

Certificates You Can Trust

Manufactured to International Standards

1. Cutting

2. Open Corner brace hole

3. Install Corner brace

4. Install strip

5. Glass assembly

6. Gluing

7. Test

8. Packing

Wide Application With Project Portfolio

Get more profit by working with WANJIA™ 


Don't just take our word for it. Hear what our customers have to say about their experience with our windows and doors. 

I live in a scenic area, and I wanted to maximize the breathtaking views. That's why I chose Wanjia Folding Doors, and I couldn't be happier. The expansive glass panels provide an unobstructed view of the outdoors, creating a connection to nature that is priceless. The doors are durable, easy to use, and have become the highlight of my home.

Jennifer 4/26/2023

After researching different window options, we chose Wanjia Windows. The quality of the windows is exceptional, and they have significantly enhanced the curb appeal of our home. The customer service throughout the process was fantastic too. Very pleased with our decision.

Sarah 5/15/2023

The sliding door from Wanjia is working well for me. It opens and closes smoothly, and the design fits nicely with my home decor. It has made accessing my patio easier and provides a good view of the outdoors. I'm satisfied with the quality and functionality of the door.

Micheal 5/21/2023


1. How do I know the price of a product?

For optimum efficiency, we need to quote you faster and more accurately based on the information below.

1. Provide window and door size, quantity and related drawings
2. Profile (aluminum or upvc/vinyl) and frame color
3. Glass type, thickness (single/double interlayer or others) and color (tinted/reflective/Low-E or others, with or without hydrogen)

2. What packaging to use?

We mainly use two packaging ways to avoid scratches or collisions on the product surface.
1. Bubble bag + EPE + wooden crate
2. Air bubble film + wooden frame

3. What is your delivery time?

Usually we will ship within 25 days after the deposit and drawings are confirmed. But it must be decided on a project-by-project basis, and if the project is too large, it may take longer. We will strictly guarantee the quality of your doors and windows and the shortest delivery time.

4. What’s the shipping cost per order?

About shipping: you need to tell us your delivery address, we will calculate the specific price for you.

5. What is your payment terms?

You can use Credit/Debit Card, PayPal or T/T.

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

"*" indicates required fields

This field is for validation purposes and should be left unchanged.