Handan Ruiqiang Fasteners Manufacturing Co., Ltd.  
Contact Name:Guo Zhiqiang Phone:0310-6889158Fax:0310-6888669
Address:Middle of Xishan Road,Yongnian,Handan,Hebei,ChinaZipcode:57150
Email:Website: http://www.hbrqjgj.com
DIN|IFI|JIS|APP|
fastener
DIN 935-1
Hexagon slotted nuts and castle nuts with metric coarse and fine pitch thread - Product grades A and B
fastener
DIN 935-3
Hexagon slotted nuts with metric coarse pitch thread - Product grade C
fastener
DIN 979
Hexagon thin slotted nuts and castle nuts with metric coarse and fine pitch thread - Product grade A and B