... /hot rolled 2.Surface:pickled/annealed/mirror polished/Brushed ISO9001 square stainless steel tube1.Standards:AISI,ASTM,GB, JIS, DIN2.Material:AISI/ASTM201 ... company was founded in 2002,including a stainless steel sales company,stainless steel processing shear center,stainless steel surface processing,stainless steel rectangular tube factory. Our company provides ...