Ningbo Oulai Building Hardware Co.,Ltd. is a manufacturer specialised in the door and window Accessories.Through the development for years, now the company has the quality production and scientific research,testing and examining equipments.

You can’t forget about the window hinge manufacturer ! In order to make sure that your area is secure, you need hinges.
Unlike the run-of-the-mill hinges you can easily find at your local hardware store, the window hinges from OULAI are specially created with the highest level of security in mind. Because they are so sturdy, you don’t ever have to worry about them warping, bending, or breaking.

We offer many different hinges at different price points to ensure that we have a piece of hardware that will fit your budget.

OULAI specializes in the production of window hinges in a variety of styles. And OULAI products have strict quality assurance, absolutely let customers buy the rest assured, comfortable.

If you are interested in our window hinge manufacturers or have any questions, please contact OULAI.