Dear Sir/MadamNow let me introduce myself simply, We are the biggest steel buildings supplier in various project in ***** business is such as Airport, Stadium, High-rise Building, Commercial Building, Industrial building and so on.We also provide the estimate, design and project management services for steel buildings. If you have any question don't hesitate to contact me! thank you !Best RegardsGood healthy and Good Business!John Huang /Sales EngineerBlueScope Lysaght (Shanghai) LimitedTel: +86-21-58120138MP: +86-13916921219EMail: *****