... service life price for structural steel fabricationProducts specification:1.Construction Area: 17000 M2 2. Main frame: welded ... frame: purlin (hot dip galvanized C section steel ) 4. Bracing: round steel with twice anti-rust primer coating 5. Tie bar : circular tube ... , workshops, high rise steel buildings, storages,garages, hangares, stairs, welded steel parts, steel frame of cement buildings, chicken ...