Ningbo Oulai Hardware Co., Ltd. (Oulai) is a manufacturer specializing in door and window accessories. Oulai is a member of the China Construction Metal Structure Association (CCMSA), and has become one of the state designated manufacturers for producing door and window accessories. With years' development, our company is now equipped with the first-class production and scientific research, testing and examining equipment.



We have brought in cutting edge technology, advanced equipment and first-class production process from developed countries. Oulai has become a...