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High strength Bolts

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Detailed Product Description
Features:
 1)Standards:
 2)Class:10.9s
 3)Surface: black, phosphate, hot dip galvanized
 4) Material: 20MnTiB
 5)High strength bolts are widely used in industry, agriculture and structure.
Contact Information
Zhejiang Zhenglian Industrial Development Corp.
10 floor Yuanmao building No.5 Wenerxi Road
District Xihu Hangzhou China      310014
Ruihua Ma
Tel:86-571-88825232,88079146, 88050680
Fax:86-571-88051681
Email:sales@fasteners-supplier.com