... Reasonable price. 3.Excellent quality. 4.Various size. 1.NameStainless steel rectangular pipe2.Standard: GB14976-2002, GB13296-2007, JIS, AISI, ... .Application:Mechanism, Heat exchanger, boiler, condenser, pressure vessel, automobile exhaust pipes, air purify, chemical industry, fluid conveying15.Advantages:1.High ... .2.Reasonable price.3.Excellent quality.4.Various size. Stainless steel rectangular pipe