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hexagon head bolts
Carbon steel Hexagon head bolts, hex socket screws, Speedway guardrail bolts, hex nuts and washers, threaded rods. And the standards that we use are Germany standard DIN, America standard ANSI, International standard ISO etc. Our company have very good factory base, the fasteners are mainly exported to Europe, America, Middle East Area, Southeast Asia and other countries & regions. As we alway insist on managing with the quality at the core , now the broad-name youli has been recognized by more and more people . It has been awarded as one of the famous brand-names by the government, and passed the certification of ISO9001 . If you are interested in our products, please don't hesitate to send us enquiry.