Xuzhou Jiajia Stairs Co., Ltd. is a company specialising in the design and manufacture of staircases and stair parts in all materials of wood, steel, glass etc. From 2004, we have worked to the development of wood-steel staircases and steel stair spine. The largest selection of wood-steel staircases has a middle support which can be made of steel square pipe or interlocking tubular spine. And we also produce stairs with two side supports mainly in the form of zigzag frame and x-shaped frame. For shapes, we have spiral staircase, curved staircase, straight staircase and flared staircase to choose. The vast range of stairs available from us is ever expanding with new stair design continuously updated and improved upon.