1.titanium seamless/welded pipe /tube /coils (round/ square/rectagular /U-bend)GR1,GR2, with ASTM/AMS/ASTME/EN10204.3.1 standard2. Stainess steel tube/Pipe(seamless /welded/u-bend tube) for heat exchanger/oil and gas industry;
3:other pipes ( Nickel and allloy pipe;Ta tubes ; Copper and alloy ;Mo tube/pipes and so on).