Hot sale auto retractable telescopic bleacher for sports event

RETRACTABLE TELESCOPIC GRANDSTANDS
1,Automatical open&close way
2,Optional riser hight,step depth
3,Signiture logo program
Telescopic Seating with HBYC-26
retractable stand;
Passed through ISO9001:2000;
We are one supplier of stadium seating for 2008 Olympic Games;
Telescopic stand is three kinds, such as electric telescopic stand, manual stand, demounted stand;
Driven system is windlass, or electrical machine box;