Chinese most professional manufacturer for High quality Square & Rectangular & Circular Hollow Sections (SHS,RHS,CHS).All of our products have been approved by CE-CPR,BV,LR,ABS,DNV.GL,FPC BC1,ISO. More details as below:•Cold-finished and Hot-finished Square Hollow Sections SHS/Rectangular Hollow section RHS) ----Seamless and WeldedSize:30X30~1000X1000Wall Thickness:3mm~40mmStandard:EN10210-1:2006,EN10210-2:2006;EN10219-1:2006,EN10219-2:2006, AS1163,JIS G3466, ASTM A500 etc.Material:S355J0H,S355J2H,S355K2H,S235JRH,S275J0H,S275J2H,STKR400,STKR490,ASTM A500 A B C D ,C350L0 etc.•LSAW Steel Pipeline (JCOE)Size:325mm~1420mmWall Thickness:8mm~80mmStandard: API Spec 5L(PSL1,PSL2),ASTM A252,ASTM A672, ISO3183, etc.Material: Q235,Q345,X42,X46,X52,X56,X60,X65,X70,X80,etcDue to the High quality & high reputation,our factory have been well accredited by our customersWe sincerely hope to establish long term business relations and friendship with your esteemed company,by our joint effort,on the basis of equality and mutual benefits. We have enough confidence that our factory will be one of your best suppliers in China,you will have a very good market by selling our products.We are looking forward to your latest inquiry soon.Have a nice day.Sincerely yours.Teddy ShiSales ManagerHebei Qianhe Steel Tube Co.,Ltd.