タイトルまたは説明

The floor uses two layers of choice cold-rolled steel sheets. The lower hydraulic stretched sheet is connected with the upper sheet through high-frequency programmed full-auto butt-welding at the highest point of the formed nest-like center. After de-oiled and pho with matt epoxy resin powder on the surface and filled with foaming cement in the middle. The surface of the floor is pasted with hpl(melamine) or pvc antistatic veneer and beset with conductive tape around.