We are Tianjin Ruitong Steel&Iron Co.,Ltd(Tianjin Pons International Trade Co., Ltd), which is located in DaQiuZhuang developing zone,Jinghai County,Tianjin City,China,one of the leading steel pipe and prestressed strands manufacturer with 14 producing line in China.Our products exported to more than 60 countries and regions of Asia, Europe and America,, Africa etc. We can offer all kinds of pipes ,fittings,prestressed strands as below:1. Welded steel pipes(ERW,EFW,LSAW,SSAW,) 2. Hot-dip galvanized steel pipes,3 ERW precise welding pipe4 seamless pipe for carbon,alloy,stainless5.steel pipes for oil pipe lines, casing and tubing, 6.FBE oil anti-corrosive steel pipes, 3PE oil anti-corrosive steel pipes.7.Plastic coated steel pipes for water supply8 pipe fittings,such as flange,elbow,bends,tee,cross,cap,coupling,union,hoops and so on9 prestressed strands used for prestressed concrete structure for reinforcement,inhaul cable for bridge and so onIf any requirements, please contact me freely ! We will offer the detailed specifications with a competitive price to you.I am sure you will make money and enjoy our cooperation ,just try!Waiting for your feedback ! thank you!