High-Performance Windows & Doors Built For You
20+ Years of Trusted Quality | Custom Solutions, On-Time Delivery

Through Strict Product Certification
WANJIA's windows and doors are made of high-quality PVC, aluminum or hybrid frames, with high-performance glass to improve thermal insulation and reduce energy costs. They have passed strict performance certifications such as NFRC, Energy Star, CSA, AAMA, IAS, and CE certification.
About Us
We specialize in providing a wide range of doors, windows, and complementary building products to meet the needs of homeowners, builders, contractors, designers, and distributors around the world.
WANJIA is one of the leading custom window and door manufacturers in China with a history of reliable and trustworthy products. Our production facility consists of state-of-the-art manufacturing equipment that allows us to provide high-quality products with short lead times. We take great pride in our finished products, which ensure durability, energy efficiency and style.
Download WANJIA's latest product catalog now!
Download WANJIAâ„¢ product catalog
Whether you are looking for design inspiration or want to learn more, WANJIA's Product Catalog can help you get started on your next project.

Engineered for durability, style and energy efficiency. Work with us to meet your architectural, design or retail needs.
WANJIA Product System
Window Products
Type:
Sliding/Casement/Folding/Awning/Hung/Picture/Skylight...
Find the best product for your project
Versatile and smooth-running sliding windows
Our sliding windows are designed to bring stylish design and smooth, easy operation to any room. Ideal for maximising light and ventilation, these windows slide horizontally, making them a great solution for areas with limited space. Manufactured from high quality materials and energy efficient glass, our sliding windows are available in a variety of sizes and finishes, making them a versatile choice for both residential and commercial projects.

Innovative and Practical Casement Windows
Casement windows feature a robust hinge design that opens outwards/inwards for maximum ventilation and unobstructed views. Manufactured from high-quality materials, our casement windows can be customized with options such as built-in screens and railings for added functionality and security, making them ideal for any space.
Folding windows easily expand your space
WANJIA folding windows offer opening solutions of different sizes for different spaces, designed to maximise openness and adaptability, and are ideal for large openings that combine style and function, bringing wide, unobstructed views to your space. Available in various panel configurations, they are flexible and can be customized to meet individual space and design requirements. For spaces that require flexibility without compromising performance, our folding windows are an ideal choice.
Hung Windows for Enhanced Energy Efficiency
Our hung windows combine classic design with modern efficiency to suit any architectural style. Available in single-hung or double-hung configurations, these windows are flexible and easy to operate, allowing smooth vertical movement and improved ventilation control. They are designed to improve energy efficiency, helping to reduce heating and cooling costs while maintaining indoor comfort.
Versatile ventilation Tilt & Turn windows
Our Tilt & Turn windows offer unrivalled versatility and ease of use, with three unique opening options – tilt for gentle airflow, turn for full access or lock for secure closure. Available in a variety of sizes and configurations to suit any space, these windows offer superior ventilation, easy cleaning and enhanced security.
Awning Windows for Every Space
Awning windows are designed to bring fresh air into any room, rain or shine. Hinged at the top, these windows open outwards to provide natural shade and ventilation even in light rain. Perfect for various environments, their versatile design can be seamlessly installed high or low to add light and airflow to a room. Made from durable materials and energy-efficient glass, our awning windows combine durability and performance to enhance the comfort of your space.
Endless possibilities Picture windows
Picture windows are designed to frame stunning views, fill rooms with natural light and create a spacious, open feel. We offer picture windows in a variety of designs, sizes and unique shapes to suit any architectural vision. Perfect for creating dramatic focal points, they can also be seamlessly combined with operable windows to enhance airflow and versatility.
Bay Windows for Views
A well-designed bay window adds light and charm to any room. With customizable shapes and sizes, these windows create stunning designs and enhance both interior and exterior spaces. With the ability to integrate other window styles, bay windows offer a flexible solution for maximizing light and ventilation while creating cozy nooks or panoramic views.
Skylights that naturally light your space
Designed for energy efficiency and durability, our skylights are made from high-quality materials for excellent insulation and weather resistance. With manual or automatic operation options, you can easily control ventilation and temperature. Ideal for residential and commercial buildings, these skylights are available in a variety of styles and sizes to fit seamlessly into any building design.
Door Products
Type:
Sliding/Bifold/French/Hinged/Pivot/garage/Screen/Stacking...
Find the best product for your project
Innovative Pivot Doors
Our Pivot Doors are designed for professionals looking for a striking entrance that combines style and durability. Crafted from premium aluminium, glass or timber, these doors pivot effortlessly on a central axis to create a spacious, sophisticated entrance. Each door is meticulously crafted to your specifications, ensuring your project delivers reliable performance, energy savings and lasting appeal.

Transform Any Space with Versatile Bifold Doors
Designed to seamlessly integrate indoor and outdoor spaces, our folding doors are perfect for projects that require flexibility, natural light and panoramic views. As China’s first vinyl folding door manufacturer and premium aluminum folding door supplier, we offer industry-leading durability and design in every frame, and these doors fold smoothly and compactly to maximize space while providing a contemporary, unobstructed view.
Unique and Elegant French Door
Our French doors combine timeless charm with modern performance to create an elegant transition in a room. Constructed from high-quality solid aluminum or timber-glass panels, they provide ample natural light while remaining energy-efficient and secure. Designed for both residential and commercial projects, our French doors are fully customizable, offering finishes, panel styles and hardware options to enhance any architectural style.
Energy-saving Sliding Doors
Combining contemporary design with exceptional energy efficiency, our sliding doors are ideal for both residential and commercial projects. Energy Star and NFRC certified, these doors are designed to improve thermal performance, reduce energy costs and create stunning, unobstructed views. Available in both stackable and lift and slide formats, they offer flexible solutions for large openings, maximizing space and functionality.
Open the possibilities with Casement doors
Our casement doors are designed for projects that demand classic style and high performance. Designed to open for optimum ventilation and natural light, these doors blend seamlessly into any space, whether residential or commercial. Manufactured from quality materials and available in a range of finishes, they provide a durable, stylish solution that enhances architectural appeal.
Modern Garage Doors: Style, Strength & Functionality
Our garage doors are designed to enhance curb appeal while providing reliable performance and security. From sleek, contemporary aluminium doors to striking full mirror doors, each door is crafted from premium materials to withstand the elements while providing a sophisticated, contemporary look. These doors offer smooth operation, energy efficiency and customizable finishes to suit any architectural style.
Elegant Wrought Iron Doors
With a wide range of finishes, patterns and decorative elements to choose from, our wrought iron products add sophistication and strength to any space – whether it’s a stately front door or an elegant interior door. Our wrought iron doors are designed for both residential and commercial applications and each product is meticulously crafted and fully customisable.
most customizable wooden door
Designed for a variety of uses, our wood doors can be customized in finish, size, and style to provide a solution for any space. From rustic barn doors to sophisticated front doors, pocket doors, and classic folding designs, our collection includes options for both modern and traditional aesthetics. Each door is crafted from premium wood, ensuring durability, beauty, and timeless appeal.
Other Products
Type:
Sunroom/Curtain wall/Fence/Handrail/Pergolas...
Find the best product for your project
Sunrooms that embrace nature in comfort
Our sunrooms are constructed from high-quality, energy-efficient materials, providing excellent insulation and durability while maximizing natural light. Elegant sunrooms enhance your lifestyle, allowing you to enjoy the sun whilst being protected from the elements. Available in a variety of styles to suit any architectural vision, these versatile spaces provide the perfect environment for year-round relaxation, entertaining or gardening.

Curtain walling enhances the beauty and functionality of building
Designed with the highest quality materials, curtain walls are not only visually striking but also energy efficient, with excellent insulation and weather resistance. With customizable design, finish and configuration options, our curtain walls are flexible to meet any architectural vision. Transform your building with our curtain walls, where every detail is designed and functional.
Glass fencing for design and security
Glass fencing or glass railing is the new modern solution for fencing. It is becoming increasingly popular and is both beautiful and practical. Glass fencing is undoubtedly one of the most aesthetically pleasing fencing systems on the market. Manufactured from high quality glass, our glass fencing is durable, weather resistant and low maintenance, making it a long lasting solution for any environment.
Handrails that combine safety and style
WANJIA offers handrail systems that meet your specifications and designs to suit your architectural and functional needs. Whether it is an indoor staircase, outdoor deck or commercial application, these handrails are a reliable solution for almost any space.
Pergolas enhance your outdoor oasis
Our pergolas are designed to transform your outdoor space into a stylish retreat, providing the perfect balance of sun and shade. Available in a variety of styles, these pergolas can be customised to suit any landscape and personal preference.
Explore our services
How WANJIA Supports Your Specific Commercial Needs
- Windows and doors that meet stringent energy standards and are CE, NFRC and Energy Star certified.
- Tailored design and manufacturing services for unique or large residential projects, including bespoke sizes, configurations and finishes.
- Dedicated project managers oversee production, delivery and installation schedules to ensure the smooth execution of large orders.
- Durable products designed to withstand frequent use in a variety of environments, minimizing long-term maintenance costs and ensuring performance.
- Products are designed for quick and easy installation and come with full installation instructions and technical support.
- Products are backed by strong warranties and a dedicated after-sales team to help with any issues that may arise with the product.
- All products meet international specifications to ensure energy, safety and structural requirements compliance.
- With clear instructions and pre-tested components, products can be installed seamlessly, saving you time and labor on site.
- Reliable production schedules and on-time delivery to keep your project on schedule.
- High-quality materials and insulated glass can improve the energy performance and long-term durability of a home, reducing maintenance requirements.
- We offer a variety of sizes, configurations and finishes to meet the specific needs of different residential projects.
- If you have any post-installation questions or product performance issues, please contact our support team to ensure you receive a satisfactory after-sales service.
- Multiple styles, finishes, frame materials and glass options to suit any building or interior design.
- Analyse project requirements and schematic design to determine products within cost parameters.
- Access to detailed CAD files and 3D models to aid project planning and visualization.
- Acoustic, UV and thermal performance options to meet customer preferences and regulatory standards.
- Fully customized windows and doors available to meet unique design requirements, including non-standard shapes and sizes.
- Energy efficient and environmentally friendly products with performance certifications such as Energy Star, NFRC, etc.
- A wide range of windows, doors and complementary building products in a variety of styles, materials and price points to meet the needs of different customer groups.
- Efficient manufacturing and logistics processes to ensure timely delivery of products to meet demand without stock-outs.
- Comprehensive product knowledge training, sales tools and marketing materials to help your sales team present our products effectively.
- Whether you need bulk shipments or small batches, we offer flexible order quantities based on your business needs.
- Take advantage of volume discounts to maximize your profit margins.
- Products are backed by strong warranties and a dedicated after-sales team to help resolve any issues that may arise after purchase.
Compared with our competitors
With over 2 million windows produced, we know the window and door industry inside out. It’s this wealth of experience that allows us to design, manufacture and deliver what you want!
Competitors | WANJIA |
---|---|
Unreliable supply chains and delayed product delivery, resulting in project delays that cost you time and money | 2 modern factories and experienced craftsmen ensure reliable and timely deliveries, minimizing the risk of delays and helping you to meet your deadlines |
Products that do not meet or comply with energy standards or durability requirements | All products are designed with energy efficiency in mind, using energy-saving glass and sustainable materials, and meet stringent performance tests such as Energy Star and NFRC |
Limited design options and lack of customization to meet customers' unique project requirements | Fully customizable product designs are available, from unique sizes to bespoke finishes to meet your specific architectural requirements |
Difficulty balancing budget constraints with high-quality products | We offer competitive pricing without compromising on quality. This helps to ensure that you are cost-effective and profitable without sacrificing the quality or customization options required for your project. |
Lack of clear warranty information or long-term product support, making it difficult to resolve customer issues after installation | From the moment you contact us, we will be with you every step of the way, providing you with technical support and guidance to ensure that our products are installed correctly and perform at their best. |
What Our Clients Say
At WANJIA, we pride ourselves on delivering exceptional window and door solutions that exceed expectations. But don’t just take our word for it – hear directly from the professionals who trust us with their projects.
“The ease of installation and quality of these windows saved us time and money. The product performance far exceeds what we’ve used before. wanjia is now our go-to supplier.”
Kristy B.
“From the custom configurations to the timely delivery, everything went smoothly. Their products fit perfectly with our large-scale office development and exceeded our expectations in durability.”
Jason M.
“Our clients love the product range. wanjia has been a reliable partner, consistently delivering high-quality windows that keep our customers coming back.”
Barbara S.
- 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.