Jiangsu Shenyuan Stainless Steel Co., Ltd., are one of the leading manufacturers of engine valve steel in China, and have received ISO9001 and TS16949 certification. Our steel products currently include: 1) Valve steel: 5Cr9Si3, 21-2N, 21-4N, 21-12N, 23-8N, X60, X80, Inconel 751, Nimonic 80A 2) Heat resistant steel for the manufacture of boilers, turbines, combustion engines and plane engines: 302, 309, 310S, 316L, 321, SA387-Gr91 / Gr11 / Gr22 3) Bearing steel: Cr4Mo4V, 7Cr17Mo, 9Cr18 (95X18), 9Cr18MoV (X90CrMoV18) 4) Die steel: 4Cr5MoSiV (H11, SKD6, 1.2343), 4Cr5MoSiV1 (H13, SKD61, 1.2344), 38CrMoAl / 34CrAlMo5 (1.8507) Providing these materials in bar and plate formats, we can also supply such finished steel products as engine valves and precision parts if required. Welcoming your customized requests, please contact us for more information or processing advice. Our team looks forward to being able to cooperate with your esteemed company. skype:reggie.jieMSN:aug.reggie