| Contact Name:GUOPING LU | Phone:0574--87787491，87784631，87784961 | Fax:0574--87784081 |
| Address:Room 601, Century Longteng North Building, No. 269, Zhongxing Road, Ningbo City, Zhejiang Province | Zipcode:315205 |
 | | DIN 931-2 | | M42 to M160*6 hexagon head bolts - Product grade B |
|  | | DIN EN ISO 4014 | Replace DIN 931-1 | | Hexagon head bolts - Product grades A and B(ISO 4014:1999) |
|  | | DIN EN ISO 4016 | Replace DIN 601 | | Hexagon head bolts - Product grade C(ISO 4016:1999) |
|  | | DIN EN ISO 4017 | Replace DIN 933 | | Hexagon head screws - Product grade A and B (ISO 4017:1999) |
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