00:31 The steel grandstand structure is stable and reliable, which can meet the construction requirements of high strength and high stability.
00:11 8 rows 7 m retractable bleacher
00:10 the big size grandstand
00:27 8 rows retractable bleacher
00:28 the retractable bleacher
00:17 the portable bleacher
00:33 7 rows retractable bleacher
00:24 8 rows retractable bleacher