Our company produced patent products OAL/OAM exceeding lower multi-function network raised access floor products, have obtained domestic and overseas 14 patent certificates.This product is movable type network floor,equipped with all movable cover board surround, under the movable cover board is all channel to lay out lines. Strong and weak electricity line slot is putting lines on the chanel synthetically. The line slot of laying out lines is "well" shape distributed, and extend in all directions.The laying out lines is very flexible and convienent. The lowest height is 35mm, the highest height is 150mm, the best design height is 50mm. In case on the condition that the laying out height is very low, we can consider to assort with 260mm wide cover board and wide line slot in the places of large amount lines to lay out, so as to solve the concentrated lines outlet problem of large amount of lines. It fits for the demand of international GB/T 50311-2000 > and GB/T50312-2000 > specified rule of avoiding strong electricity lines and weak electricity lines putting across. It sloves the problem of lower putting height for network floor. Our company suggest that network raised floor putting height is 50-60mm, it is that height from floor surface to floor surface, which is 50-60mm.