... for 2008 Olympic Games ISO9001:2000 Bleacher seating with HBYC-19, telescopic stand, stadium seatingPassed through ISO9001:2000We are one ... stand, manual stand, demounted standDriven system is windlass, or electrical machine box;Essential Technical parameter:Voltage 380V, power 1.5KW, frequency ... 21-37793759 Fax: 0086-21-37793757 Bleacher seating with HBYC-19, telescopic stand, stadium seating