1.materials : TP304,TP321,TP304L,TP316L,SUS304,SUS316,SUS321,TP304H,TP316H,TP317H 2.Standards : ASTM,A213,A312 and A267;JISG3463,JIS3446 AND JIS3459;DIN2462, 3.Application: The products are widely used in such industry as peroleum, smelting,food,electric power,pulp&paper,chemical industry,fertilizer factory, construction, traffic and so on. 4.Testing: direct reading spectrometer, infrared CS analyzer, eddy current inspection, ultrasoni inspection, intercrystalline corrosion test and mechanical performance test Pls contact me for further information.