... pultruded profiles ranges:I-beam, H-beam, U-profiles, angle, square tube, round tube, square and round rod, ... . 2. Chemical anti-corrosion markets: grating floor, handrail, working platform, undergrand pression pipe, stairs,etc. 3. Building construction markets ... : oversize bridge protection closed system,movable house structure,working platform,window frame, window sash and its components,etc. ...