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ASTM, SAE, ISO GRADE MARK

　 ASTM, SAE,ISO Grade Markings and Mechanical Properties



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Contact
Address: No 650,Jianghai Road, Nantong, Jiangsu, China
Tel: +86 - 513 - 89085655
Fax: +86 - 513 - 89085255
WhatsApp: 13962730911
Wechat: 13962730911
E-mail: BobFastener@163.com Baobohardware@163.com
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