... .D:(8~80)mm 4.lots shapes of bending, punching, and welding According to customer requirements,we can produce different specifications ... stainless steel clad copper, titanium copper,titanium copper composite pipe and composite wire ,but also the different shapes of bending ... and specifications information:Standards:GB/T12769-2003Coat:Ti,Ni,Zr,Stainless Steel 316L, etc.Base:Cu(T2,TU2),AL,etc.Shape/Size ...