China Premier Window & Door Manufacturer
Factory-Direct Custom Windows & Doors – In Business For Over 21+ Years
ABOUT WANJIA
WANJIA is the leading manufacturer of premium windows and doors for the architectural market abroad
For over 21 years, WANJIA has developed its high-performance windows and doors, and has always used the highest quality materials in production, ensuring that architects, builders and homeowners are provided with innovative designs, superior performance and durable products.
- Exquisite craftsmanship
- Fully customized
- Obtained strict industry performance certification
- Provide cost-effective door and window solutions
- Complete installation instructions and technical support
- Lifelong after-sales service
Modern factory
2 modern large-scale production bases
Machine Manufacturing
Manufacturing various products with precision
Experienced craftsmen
have well-trained and experienced professionals
Safe packaging
Provide safe and reliable packaging
Explore our products
Our Product offerings include all types and operating styles of windows and doors, transforming your spaces with endless customization options and best-in-class energy efficiency performance.
Discover your preferred window & door partner
WANJIA advantages
OEM Solutions
We provide the most efficient and cost-effective solutions to design, build and deliver products on time and within budget.
Tailor-made
Customized according to your desired window and door type, glass thickness, size, profile and product color, etc.
Premium products
Provide windows and doors with high strength, corrosion resistance, deformation resistance and energy saving
Fast delivery
Efficient manufacturing and logistics processes to ensure timely delivery of products to meet demand without stock-outs
Easy installation
Products are designed for quick and easy installation and come with full installation instructions and technical support.
Strong Warranty
Products are backed by strong warranties and a dedicated after-sales team to help with any issues that may arise with the product.
Trusted Window & Door supplier
Energy-Efficient Windows, Custom Patio Doors, and More
What People Say About Us
- Tailored solutions, from product selection to customization options
- Fast, clear and detailed quotations that include all costs and timescales
- Manufactured to your exact specifications, ensuring every product meets your standards
- Real-time tracking for full visibility of delivery status
- Ongoing technical support during installation to ensure everything runs smoothly
- Commitment to building lasting, reliable relationships for future projects
FAQS
To help you make an informed choice about your window and door needs, we’ve compiled answers to the most frequently asked questions from professionals.
We price per square meter and as we are a bespoke manufacturer our customizable options do affect the cost. Please fill out the form or email [email protected] to provide us with the dimensions and configuration you require and we will work with you to develop budget pricing.
Our factory is equipped to handle large-scale commercial orders without compromising on quality or delivery timelines. Whether you need hundreds or thousands of windows and doors for a commercial building, we have the production capacity and logistical support to meet your needs. Contact us to discuss your project requirements and schedule.
Our windows and doors are designed and tested to withstand extreme weather conditions, including strong winds, heavy rain, temperature fluctuations and humidity.
Yes, we are a direct manufacturer and supplier with more than 19 years of experience, No.1 in export in China. We have 2 manufacturing plants and several modern showrooms with a monthly capacity of about 15,000 square metres.
All our products comply with international quality and safety standards. We have certifications such as CE, Energy Star, NFRC, etc., ensuring that our doors and windows meet industry regulations for performance, energy efficiency and durability. If you would like to know more, please contact our sales team for more information.
We understand that each project has unique requirements. Our windows and doors can be customized in size, shape, material, color and finish. We also offer specialist features such as acoustic insulation, energy-efficient glazing and enhanced security options. If you have specific design or performance requirements, our team will work closely with you to create bespoke solutions.
We have listed some of the many reasons to choose us.
- We guarantee to provide more competitive prices than our competitors.
- We are a comprehensive supplier of door and window products, and our team is ready to help you with every need.
- The widest selection of door and window styles and colors.
- Free professional custom design and quotation service.
- We have passed various test certificates in the industry, proving the high quality of our door and window products.
- Respond quickly to your order and ship the product to your designated location as quickly as possible.
- Complete installation guide makes installation easy, helping customers install products independently and save labor costs.
- We are committed to providing hassle-free customer service.
Production times vary based on the complexity of your order and the level of customization. For standard products, we aim for a turnaround time of 25 days. Customized orders may take slightly longer, but we will provide you with an estimated delivery timeline once your order is placed. We also offer expedited production options for urgent projects.
Absolutely. We provide detailed installation manuals with each product, and our technical support team is available to answer any questions you may have during the installation process. Whether you need help understanding product specifications or navigating complex installation scenarios, we’re here to assist.
Yes, we can provide samples of our windows and doors to help you evaluate the quality, materials and finishes before placing large orders. Contact us now to get a sample.






