... such as easy construction,big bearing capacity,good looking and long durability through hot galvanizing for the surface treatment.They ... shools,residential quarters,garden facilities,stadium,port,industry,oil and chemistry projects etc .We can also manufacture the ... A36, A1011, A569, Q235, S275JR, SS304, Mild steel & Low carbon steel, etc5Surface TreatmentBlack, self colour, hot dip galvanized, painted ...