Pulturded profile:angle, channel, round type, square tube, I beam, flat bar Properties: corrosion resistance, aging resistance, waterproof, fireproof, light weight, high strength, impact resistance, good dimension stability, insulation, good magnetic permeability, bright color, attractive apperance, long service life, maintenance free, easy to cut and stall Application: electrical and electronics, chemical anti-corrosion, building construction, foundation engineering, etc