Ningbo Zhonghai Fastener Manufacturing Co. Ltd.  
Contact Name:Ms SunPhone:0574-86535895 ?13906696165?86531908?Fax:0574-86531779
Address:Ningbo City Zhenhai District Jiulonghu Town Xihe villages Zipcode:315200
Email:Website: http://
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fastener
DIN EN ISO 4017 | Replace DIN 933
Hexagon head screws - Product grade A and B (ISO 4017:1999)