1>Material: Mild (low carbon) steel (CN: Q235, US: A36, UK: 43A) or stainless steel 

 2>Surface treatment:galvanized {CN: GB/T13912, US: ASTM (A123), UK: BS729} /painted/untreatment 

 3>Style:plain,serrated,I-shape,serrated-I shape

4>The width and length are all on request

Application:Widely used in electricity, petrochemical, chemical industry, metallurgy, machines, modeling, port, marine engineering, construction, papermaking, medicine, textile, well cover, suspended ceiling, ventilation and penetration of light, etc