Tips: Our stairs colors: blue and white, black and white, orange white, all white, all black in five different colors. Pro leave notes inside your desired color, the room height, whether the hole is surrounded by a wall and so on around the staircase made of high strength cold-rolled steel, mechanical characteristics of 304 rivets Liu connection. 2, steel frame, metal pieces by Ryoka, electrostatic spray, high temperature baking surface treatment, timeless. 3, beautiful and practical, easy to operate, easy to install, is an alternative fixed stairs, saving the best choice for interior space, uses and types: (1) is mainly used for small attic space, shops, duplex buildings, connected up and down the main channel. (2) My company is launching a manual type and electric type, color, respectively, blue and white, black and white, orange white, red and white, all white, all black, six color combinations. Manual models which are ordinary, luxury, luxury upgrade section three models, (manual type points, lifting telescopic ladder, side-mounted extension ladder, extension ladder and wall, commonly used is lifting telescopic ladder). Domestic electric remote control type high-performance motor, wearing a battery (power outages can also be used), a wireless remote control (within 30 meters can be full operation) 1, floor 3.8 meters up to do. 2, open stairway basic space between 1.5 m - 1.8 m, after landing with open staircase span of about 1.3 meters - 1.5 meters (span can be adjusted according to customer needs) 3, set aside the hole standard size 700 * 900,700 * 1000,700 * 1200 (mm) requires data that you provide are: inner diameter of the hole at the ceiling to the floor along the vertical height, the thickness of the hole, the hole is surrounded by a wall (wall, then is made to order) does not Size In accordance with customer be customized hole size, standard size payment the same day or next day delivery. Note; please bring your ID card when we only take the logistics (need to) delivery, only the consignee can take delivery. We walked logistics company; Jiaji Express, Debon Express, the world Arima Contact: Mr. Song 13598614940 13569806723 QQ: 760307112