N/a manufacturer / supplier in China, offering ASTM B338 R53403 R52400 R52250 R52402 Titanium and Titanium Alloy Tube, Q235 Q355 Q215 Q275 Galvanised Welded Carbon Steel Pipe Used for Construction, ASTM B163 Seamless Nickel and Nickel Alloy Condenser and Heat Exchanger Tubes and so on.