We are BaZhou City Quangen Mental Product Co,Ltd based in Bazhou, China. We are member of TradeKey.com since August, 2014. Our business is related to Minerals & Metallurgy industry and we specifically deal in galvanized strip,steel pipe,welded tube. Please find our product details below:CR black welded steel pipesCR black welded steel pipes transportation1.steel grade:Q1952.technique:ERW3.thickness:0.3-2.0mm4.color:black or brightERW Carbon Square TubeSpecificationsmill test certificate steel pipe1.steel grade:Q1952.technique:ERW3.thickness:0.3-2.0mm4.color:blackThank you for taking time to go through our business profile. If there are any questions, inquiries or comments, please feel free to contact us.