steel factory overhead crane

Thanks for reviewing our steel factory overhead crane ,Our steel plate is hot-roll with high strength, coming from top five steel factories in China mainland. The steel grade is Q235B and Q345B. All steel components are calculated based on structural analysis and load. The production procedures mainly include flame cutting, welding&combination, mechanical rectify, mechanical punching hole, shot blasting for rust removed, and surface treatment with painting or galvanizing. Our company has many successful cases which our products are exported to foreign countries, including Australia, Russia, Sri Lanka, Djibouti, and Kista, Africa, Southeast Asia etc.   If you want to build a steel structure project, please give me some detailed parameters for us to design,Details as follows:
1.   Usage - is a warehouse .
2.   Dimension: Length 25m , width 28m , Height 7 m.
3.   the warehouse will be built - melbourne - australia , Local snow load - no , Wind load -25m/s, Local    earthquake magnitude - no earthquake requirement. 4.   sandwich panel would like : galvanized rock wool sandwich panel
5.   two doors -5 m wide x 5 m high Sliding
6.   two windows - 2.1 x 2.1 sliding windows
7.   would like a crane
8.   need some skylights on the roof
9.   twice anti-corrosive primer paint & one finish paint ok     Here is detailing introduction of our products:   1st. company teamwork and technical support       2nd. production machine and production scene   Our factory occupies an area of 28000 Square meter , with monthly production capacity 1800 tons   and possess 5 semi-automatic production lines. What is more, there are 6 departments in our factory,   and  11 members of senior engineers. Company possesses abundant funds, and strong supplying ability,   and has been spoken high of by customers. Confidently, we are your reliably cooperating partner.    Look forward to your visiting and investigation .   Steel structure production process : CNC flame cutting →The first molding → Ambush welding   →Mechanical correction →Secondary assembly  → Flame straightening → Blast cleaning → Paint           3rd.  Steel structure installation