Shanghai Biaowu High-Tensile Fasteners Co.,Ltd.  
Contact Name:YUEQIAN QIANPhone:021-63177707-1534 ? 021-51285033Fax:021-51285032
Address:15 FL,600 Hengfeng RoadZipcode:200070
Email:Website: http://www.sfiec.cn
DIN|IFI|APP|
fastener
DIN 1587
Hexagon domed cap nuts