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HANDAN ZHONGDUN FASTENER MANUFACTURING CO, LTD 

About Company
 
 
Model / Specification
M6-M20
Country of Origin
CHINA
Surface Treatment
black oxidation
Material
Carbon steel
Alias
 
 
Patent
 
Head Marking
 
Capacity
 
Minimum Order Quantity
100 pcs
Detailed Description
black surface treatment
high strength
best quality 
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