surface:bright,polished,turn smooth(peeled),brush,mill,pickled

ength:accroding to clients' requirement,it is from 2m to 12m,

size:angel bar size from 10mm*10mm*2mm to 400mm*400mm*16m

length tolerance<=40mm/pcs

shape:right angle tolerance is 91+_2

max bending:4mm/m. whole body's max bending <=0.4%length/pcs