Characteristics:
It is made of quality steel plate, which is stretched forming welded and plastic sprayed with bubble cement filled in its inner cavity. Its pedestal is plated with zine and cast aluminum alloy, which height is adjustable and can be self-locked.
Its main modules include floor block, border cover board, corner cover board, corner soleplate, and pedestal. Other choosing modules include socket, line slot, and exceeding line meatus.

Advantages:
Exceeding lower, the adjust floor height is about 35mm to 150mm, the building space can be economized. The line slot can be removed or installed expediently. When it need to increase line slot, you only uncover the floor, then lay the line slot easily. The investment is smaller, the fee of laying the specific mini-type line slot is less then laying the large-scale line slot. The work of laying line is easy. When lay syntheses network line, you only uncover the floor, the work can be carried out easily.

The ground supply socket is installed easily after uncovered Border cover board and need not incise the floor.

Every cover board has designed line meatus. The line can come out expediently. The raised floor of ASFM & ASFL more function is fit for intelligentizing building, office building, computer building and teaching building etc. It is fit for the old building reconstructed too.