... , 12.9 grade Material: 20MnTiB, 40CR CE certifation Standard:GB/T 1228-1231,ISO7412,DIN6914-6916,ASME B 18.2.6 ... , 12.9... Stainless steel: SS201, SS304, SS316... Hang zhou santiway international Co., Ltd are supplying all kinds of high quality products such as ... to the drawers of products, which are according to the international standards including ANSI, ASTM (America), DIN (Germany), GB (China), UNI ...