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Ningbo Yinzhou Hengxi Yonglian Fastener Factory
宁波市鄞州横溪甬联紧固件厂
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6 Years
Main Products
Standard bolts
Customized bolts
Non-standard fasteners
Red hit inner hex screws
Set screws
Studs
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(JB /ZQ 4318 - 1997)
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Similar Products
GB /T 798 - 2021
GB 798 - 1988
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DIN 444 - 2017
DIN 444 - 1983
