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Wenzhou Jinjiu Fastener Co.,Ltd.
温州市金久紧固件有限公司
Premium Supplier
15 Years
Main Products
Non-standard bolts
Large size fasteners
Double-ended bolts
T-bolts
Plug screw
Large nuts
Machine Screws
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(Q 190)
material
Carbon steel
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Similar Products
GB /T 798 - 2021
GB 798 - 1988
GB 798 - 1976
DIN 444 - 2017
DIN 444 - 1983
Q 191
UNI 6058