Pushpak Are A Leading Manufacturer Of Heat Exchanger Tubes Cs-ss- Duplex-titanium And Condenser Tubes From Mumbai, India. Carbon Steel, Stainless Steel , Duplex Steel , Titanium Steel, Cupro Nickle Sa 179 / 304/316/321/ 347/ Ti Gr. 1 / 2/ 3 /2202/2304 / 90/30 & 70 /30a 210 Gr. A1/c /a 192 /a 334/ Carbon Steel, Stainless Steel , Duplex Steel , Titanium Steel, Cupro Nickle