Triple layers Steel structure platform 
Consist of core beam, ordinary beam, floor board, stair and fense. Modual assemble, no weldding operation on site, weight capacity 300kg-1000kg/m2,choose high load capacity, less material like circle shaped cross area molded pipe as pole, main and subsidary pole can be chosen the current widly used in the steel structrual industy like the H known as the most economic way.floor structure can be chosen Zhengyao specific rolling floor, buckle plate structure, firmly fixed with the pole, unity the platform structure.there are many floor specific can be chosen to prevent dust, falling down small subjectand fire proof requirement. 
Equiped with lighting system under roof.goods delivery can use hydraulic lifting platform, goods lift or fork lift.all structure material make in premium carbon structure steel.spraying plastics surface finishing,anti corrosion , high load capacity,concise , taste outlookig.widely used in multy industry. 
Longspan steel platform system suiltable set up the assembly line below.office or storage above.  assembly line or storage both above and below. Utility for 3 floor3.no need on site welding , all assemble set up.manufacture premade parts, onsite installation apparently come out from the sophisticated design and manufacture.