Frequently Asked Questions

If you are considering purchasing windows and doors, there is no doubt that you will have some questions before purchasing. Here we’ll address frequently asked questions that come up when making a purchase.

Yes, we are a direct manufacturer and supplier with more than 20+ 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.

We are located at No.5 Songxing Road, Songgang, Shishan Town, Foshan City, Guangdong Province, China.

You can contact us anytime for a free consultation by clicking on the form,or send an email to [email protected].Our professional staff will make sure that all your questions are answered.

We have listed some of the many reasons to choose us.

  • We guarantee to offer more competitive prices than our competitors.
  • Comprehensive supplier of window and door products and our team is ready to help you with your window and door needs.
  • Widest selection of window and door styles and colors.

  • Free professional custom design and quote service.
  • We has passed various test certificates in the industry to certify the high quality window and door products.
  • Responds quickly to your order and delivers the product to the location you specify as fast as possible.
  • Complete installation guide, easy to install, help customers to install the product independently and save labor cost.
  • We are committed to providing hassle-free customer service.

All of our windows/doors can be customized to your specific needs so that you can find the perfect size.

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.

Our products have received many international certifications, including Energy Star, NFRC,CE certification, SGS certification, ISO certification, AAMA, IAS, as well as certification to the highest standards in the United States and Australia.

We price on a per square meter basis and since we are a custom manufacturer, our customizable options do affect the cost. Please provide us with the size and configuration required and we will work with you on budget pricing.

Please keep an eye on our website for various official discounts.

Our average delivery time is 25 days . However, this must be determined on a project-by-project basis and may take longer if the project is too large. A sales consultant can best answer this question when making a quote.

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.

WANJIA offers a complete and comprehensive limited 10-years warranty and hardware and moving parts for 3-5 years warranty. You can just give us a call. We’ll give you the solutions without any questions or troubles.

That’s great, if you are interested in becoming a WANJIA dealer/contractor,please email [email protected]

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.

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.

Looking for windows and doors?

We’ve acted quickly on recent U.S. tariff changes to keep prices and supply stable. Reach out anytime if you’re planning a purchase.

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