Steel Frame Lattice ISO9001:2000. Bearing bar width:20mm-60mm. Bearing bar ... -88. Steel Frame Lattice1)Use:Widely used in electricity, petrochemical and chemical industry, metallurgy machines, modeling, port, marine engineering, construction, ... , high bearing capacity, safe and skid-proof, easily fixed and dismantled, economical ,long life and durable, ventilated and penetration of light, easily to ...