ABOUT US

This is where you’ll find the perfect doors or windows to invite the outside in — whenever you so desire.

Dongyu
Building Material

KNOWLEDGE AND EXPERTISE

Our certified team of in-house engineers and consultants guide you through the initial steps, and work with you to customize the design and placement of your door or windows, the production progress can be provided at any time during the production process

ONE-STOP SHOP

We’re dedicated to becoming the one-stop shop for custom patio doors, specializing in custom folding doors. Our expert team is here to help you explore our wide selection of doors and windows to find what’s right for your home.

ON SCHEDULE

The Folding Door factory has built a reputation for finishing projects on schedule. We’ll never rush a project, because we want it done right. However, we understand that your time and space are valuable, and we treat them that way.

PROFESSIONAL INSTALLATION

Our installations are performed by our own specialized contractors, who are so skilled that they’re continuously sought out to train other builders and contractors.

Our Factory

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General FAQ

Yes. We will provide wearing parts in your order.

Please call +86 18667911200 and we will be happy to assist you.

Yes, our technicians are available for emergency situations 24/7.

This national consensus standard defines and governs such things as installation, sensing devices, and safety requirements for automatic pedestrian doors.

Drafty or leaky windows and doors. Drafty windows and doors can be a concerning issue, especially during the winter months.
Sticking windows and doors.
Difficult operation.
Inefficient glass.

Cracked, Warped, or Rotted Frames.