Bleacher seating with HBYC-19 Telescopic stand, Stadium seating one of ... 2008 Olympic Games ISO9001:2000 Bleacher seating with HBYC-19, telescopic stand, stadium seatingPassed through ISO9001:2000We are ... or electrical machine box;Essential Technical parameter:Voltage 380V, power 1.5KW, frequency 50HZ, gear ratio 1:59, ... 0086-21-37793757 Bleacher seating with HBYC-19, telescopic stand, stadium seating