... steel sheet 304 1.Specifications: 304 Chemical Composition CSiMnP(max)S(max)NiCr304<=0.08<=0.75<=2.000.0450.038 ... ) 201,202,304,304L, 309,310,316,321,410,410 S, 420,420 J1, 430 2, Surface: 2B,NO.1,BA ,HL,8K ... to your request2.Manufacturing Processe3.The authentication certificate4.The product's packaging pictures5.The factory photos 6.The quality testing field7 ...