platform racing : 1.CE,ISO9001:2008; 2.Standard structure; 3.High load capacity,high raliability, platform racing1.Certificate:CE,ISO9001:20082.Material:Q235 tube3.Diameter:48*3.5mm, 42*2.3mmThis picture is a big and beautiful stage set up by our Ring lock system scaffolding for a performance in EXPO 2010 Shanghai to a republic conference.1. Light and fastIt can be built quickly, easily and has a ...