... to schxxsSurfaceGalvanized or coatedTechniqueCold drawn, hot rolled, hot expansionTypeRound pipe and square pipeMaterial20#, 45#,Q235,20G,A106B,A53B,AISI 1010, AISI 1020 ... . We hope to establish a good cooperation with customer, and welcome to visit my website if you are interested in ... will serve you the whole day Wuhan Maike Electrical Material and Project Equipment Co. LTD.TEL:+86-27-86544389FAX:+86- ...