Door hardware, window hardware, window roller, hinge, handle, lock.OULAI is a professional large-scale manufacturer of hardware for doors and windows, integrating development and production together.

　　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.Our company has always focused on research, development and innovation, and has continuously tried to improve product quality, introduced advanced technology, and imported advanced equipment.Reasonable prices, efficient production time and good after-sales service. We hope to cooperate with more customers for mutual development and benefits.

　　OULAI has always produced the best window hardware China, and our window hardware China quality is guaranteed. If you are interested in our window hardware China, please contact us.