... and A270, A312Material Grade201 ( Ni 0.8%),202 (Ni 3.5%~4.5%),301(Ni 5%)304 (Ni 8%, Cr 18%),316 (Ni 10 ... with many kinds of stainless steel, material grade of 201, 202, 301, 304, 409, 410,430,316,309,309S, 310,310S ... , household electrical appliance, solar energy, water heater and so on.5.company certificate: ISO certificate BV certificate business licence The customs ...