Tips: Our stairs colors: blue and white, black and white, orange white, all white, all black in five different colors. Please leave notes inside the pro you want color, the room height, the hole is surrounded by a wall and so on around the stairs made of high strength cold-rolled carbon steel, 304 rivets mechanical characteristics of willow connection. 2, steel frame, metal pieces by Ryoka, electrostatic spray, hot 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, penthouse floor, connecting the upper and lower main channel. (2) Our 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 were ordinary, luxury, luxury upgrade section three models, (manual type points, lifting telescopic ladder, side-mounted telescopic ladder, extension ladder and wall, commonly used is lifting telescopic ladder). Domestic electric remote control type high-performance motor, wearing battery (power outages can also be used), a wireless remote control (within 30 meters can be full operation) 1, the highest floors do 3.8 m. 2, open staircase basic space between 1.5 m - 1.8 m, after landing with open staircase span of about 1.3 m - 1.5 m (span can be adjusted according to customer needs) 3, set aside the hole standard size 700 * 900,700 * 1000,700 * 1200 (mm) require data you provide are: inner diameter of the hole, under the direction perpendicular to the floor ceiling height, the thickness of the hole, the hole is surrounded by a wall (wall if need custom-made) not Size According to the hole size can be customized customer, standard size payment the same day or next day delivery. Note; please bring your ID card when we only take the logistics (customers need from mentioning) delivery, the consignee can pick up only. We walked logistics company; Jiaji Express Nadu Express, the world Arima Contact: Mr. Song 13598614940 13569806723 QQ: 760307112