Ningbo Oulai Building Hardware Co.,Ltd. is a manufacturer specialised in the door and window Accessories.In these window hardware China, the company's strategy is to make the best window hardware China.These customized or bespoke system design targeted directly to requirements from certain markets.Every product has been repeatedly polished and tested, striving for excellence in product concepts.Through the development for years, now the company has the quality window hardware China.

  We are door hinge manufacturer.Our product line of well over products now range from simple or complex door hinges.Common examples include door handles, door hinges, deadbolts, latches, numerals, letter plates, switch plates, and door knockers.leading the industry in the design of new operating hardware for windows, patio doors & skylights.

  We design and manufacture door hinge, materials to durability evaluation including glass door lock, glass sliding door system.We have been adhering to the "people-oriented, customer-oriented, realistic and innovative" business philosophy.We have improved quality control processes of door hinge to ensure each export qualified product.We are door hinge manufacturer.