school retractable bleacher for match
ourdoor events & sports gym
rows depend on the site conditions.
retractable bleacher for indoor sports games
specifications:
stairs width:**2mm/**4mm/**2mm,stairs height:**0mm 
Structural features
1.The understructure is made by welded I beam steel with surface hot-galvanized.
2.The tread is made by extruded aluminum with surface anodized.
3.The riser is rolled by 2.0 galvanized steel belt with surface powder-coated.
4.The guardrail is made by welded square bar and flat bar with surface galvanized and powder coated.
5. Step Width **2mm/**4mm/**2mm, Riser Height **0mm
Product features
1.The rows depend on the site conditions.
2.Suitable in stadium,training field,racing track etc.
3.Seat options Aluminum plank,Vogue,Coolin,Pour mold one-pliece seating, Luxe etc.