Shanghai Welfast Enterprise Co., Ltd.  
Contact Name:Alex FeiPhone:021-62442081Fax:021-62447564
Address:C, 6/F, No.201, Ningxia Rd, Shanghai, China. Zipcode:200063
Email:Website: Http://www.welfast.com
DIN|IFI|SP|APP|
fastener
DIN 976-1
Metric thread stud bolts
fastener
DIN 976-2
Metric interference-fit thread stud bolts