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Tianjin Shijiyanjin Mechanical & Electrical Equipment Co., Ltd.
天津市世纪燕津机电设备有限公司
Premium Supplier
13 Years
Main Products
Steel structure hex bolts
One-stop fasteners offering service
High-strength bolts
Washers
Nuts
Studs
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(DIN 1440 - 1974)
material
Carbon steel
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Similar Products
GB /T 97.3 - 2000
ISO 8738 - 1986
JB /ZQ 4336 - 2006