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.OULAI is an experienced window hinge manufacturer.

Window Hinge Manufacturer.Types of hinges include spring, slip joint, heavy duty and butt hinges. Materials used include aluminum, steel, copper, stainless steel, carbon steel and alloy.Manufacturer of standard and custom industrial type hinges for window applications. Products include butt, strap, and slip-joint hinges in small and large orders. Available in a variety of metal thickness, open width, pin diameter, and knuckle and hinge length sizes. Materials worked with include steel, stainless steel, and aluminum. Offers bending, laser cutting, piercing, notching, forming, and coining capabilities.

OULAI is a well-known window hinge manufacturer. We have extensive experience to meet your needs and manufacture window hinges to your satisfaction. If you are interested in our window hinges, please contact us and we look forward to working with you.