angle beam 1.excellent quality,reasonable price,top class of service ... quanlity,price,and service to get your longterm coperation.2.5# 25*25*2.5cm6m long3# 30*30*3.0cm6m long4 ... # 40*40*4.0cm6m long5# 50*50*5.0cm6m long6# 60*60*6.0cm6m long7# 70*70*7 ... long9# 90*90*9.0cm6m long10# 100*100*10cm6m long angle beam