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Ningbo Taidahezhong Fastener Manufacture Co.,Ltd.
宁波台达和众紧固件制造有限公司
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13 Years
Main Products
B7 studs
Steel structure bolts
High-strength bolts
High-strength hex bolts
Inner hex bolts
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(JB 1700.2 - 1991)
material
Alloy Steel
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Similar Products
GB 810 - 1988
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DIN 981 (KM) - 1993
DIN 981 (KM) - 1983
JB 24-59