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Ningbo Zhenhai Xinchun Fasteners Co., Ltd.
宁波市镇海鑫春紧固件有限公司
Premium Supplier
6 Years
Main Products
Inner hex bolts
Hex bolts
Hex nuts
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(GB /T 83 - 2018)
material
Carbon steel
Coating
black oxide coating
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Similar Products
GB /T 85 - 2018
GB 85 - 1988
DIN 479 - 2016
DIN 479 - 1985