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Our website : www.steeljs.net
We are a leading manufacturer for producing engine valve steel bars . Our products almost include all the valve steels such as 4Cr10Si2Mo , 21-4N , 21-2N , 23-8N , X60 , X80 , Inconel 751 and Nimonic 80A . Our quality are superior and we have passed the certification ISO9001 and TS16949 .
X85 engine valve steel bars
