SEKO Machinery 30% higher speed straight welding seam titanium alloy pipe welded tube mill line specializes in industrial usage, like HVAC pipe fittings, sanitary tubes, water pipes, valve pipe fittings, petrochemical pipes, chemical industry, medicine industry, wine-making industry, petroleum industry, food industry, automobile industry, paper making industry, air-condition making industry and so on. Products dealed with our tube mill could reach ASTM, DIN, ISO, GB and JIS standard.