... , SS316,Alumium, Copper, Alloy steel, Straight or Spiral welded pipes, etc.StandardBS,ASTM,DIN,JSBends seriesHeating exchanger, coils, Return bends, U style ... to 1,500mm), Channel Steel(5# to 40#),Angle Steel(5# to 20#), H steel( 10# to 63#), Flat steel(12*2 to 100 ... advance.or L/C At SightPlace of OriginShanghai, China Stainless Steel Heat Exchanger Coil Tube Bending