steel u channel 1)length: max 12m 2)grade:Q235,Q345 3)standard:BS,GB,JIS steel u channelnameu channel,steel channel,hot rolled channelBrandSINO EASTCertificatISO,SGS,BVStandardAISI,ASTM.BS,DIN,GB,JIS quality we can supply customers' with different specifications of the highest quality and lowest price.Sincerely welcome to contact us for the future details if any item interest you ,and we will ...