China Professional Windows And Doors Manufacturer

WANJIA® is your preferred window and door manufacturer.

windows Doors

explore Our products

Windows

  • Awning
  • Casement
  • Folding
  • Turn & Tilt
  • Sliding
  • Single Hung

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Doors

  • Casement
  • Bifold
  • French
  • Garage
  • Sliding
  • Spring

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Other Products

  • Curtain Walls
  • Pergolas
  • Handrails & Railings
  • Sunrooms

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Custom Solutions

Get expert advice for your project.

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our products in action

WANJIA Exterior Window and Door Products in Action
Casement Door
Garage Door
Sliding Window
Railing
Sliding Door

Exterior Application

Explore how WANJIA enhances exterior designs with a range of building products.

  • Match different building styles
  • Withstand heavy rain, snow, wind, and sun exposure
  • Stay looking great with less maintenance
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WANJIA interior window and door products in action in modern villa
Sliding Door
Sliding Window
Casement Window

interior application

See how WANJIA products bring more natural light and modern style into living spaces.

  • Bring in more natural light and open views
  • Improve energy efficiency and insulation
  • Connect indoor and outdoor spaces
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Find Solutions for Your Project

Distributors

Homeowner

Architect

Builder

Contractor

Commercial

WANJIA windows and doors production base
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WANJIA

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 21 years. Our main project are aluminum windows, aluminum doors, uPVC windows, uPVC doors, curtain walls, sunrooms, etc.

  • Competitive Prices
  • Certified Products
  • Complete Service
Work with Us

OUR FACTORY

We provide high-quality windows and doors

See How We Work
WANJIA production base
export countries
finished projects
Global Clients
Factory Area

our advantages

Why Choose WANJIA® ?

Over the past 21 years, WANJIA has grown into a trusted manufacturer of building products, serving 50,000+ clients worldwide, including homeowners, contractors, builders, developers, distributors, and more.
WANJIA attends the Canton Fair

21+ Years Export Expertise

21+ years focused on window, door, and building product exports with extensive global market experience.

WANJIA window door products with certification

20+ Certified Products

WANJIA is one of the few manufacturers in China with a wide range of certified products, helping partners meet regional standards.

WANJIA window door professionals

In-House Lab

One of the few manufacturers in China with an in-house lab for product performance testing and verification.

wanjia window door inspection

100% Full Inspection

Unlike standard sampling inspection, every product is fully checked by our dedicated QC team before shipment.

WANJIA professional staff

500+ Skilled Professionals

Our production, R&D, and sales teams work together to ensure product quality, develop new products, and respond to customer needs.

Our Process

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

Service

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

Quality

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

Production

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

Package

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

Delivery

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

Install

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

Featured Projects

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

Contact Us See Our Projects
WANJIA customer

Featured Review

  • “Honestly, I was a bit worried about the distance at first. But working with WANJIA was so easy, it didn’t even feel like they were overseas. The quality totally blew me away. So glad we went with them! ”

    Kevin

Blog

What’s New

You can get some advice on windows and doors.

Our Blog
The right window can work wonders for your home

What Are Standard Window Sizes? ｜Choosing the Right Windows

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Everything You Need to Know About Door Replacement

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Energy Efficient Doors: Lower Costs for Large-Scale Projects

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Do you need project help?

Find answers to common questions about products, customization, installation, and more.

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Free Consultation

Get A Free Quote

Contact Form 26.06.04

Get our Latest catalog

We’re thrilled to unveil the perfect windows and doors for your project now!

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WANJIA window door details page folding door catalog