... 20mm-2620mm Length: 6M-12Mor as required. steel tube , steel pipe Product description ProductSteel pipeMaterialQ195, Q215, Q345, ... pipe picturesteel tube factory pictureProduct line Enterprise business license Trade team and office Ruiguo Tongsheng IMP.&EXP. Co., Ltd ... coal, billet steel, strip steel, section steel, steel plate, screws and all kinds of finished products. steel pipe is our mean ...