We are manufacturer,Jinan High Strength Standard Parts Co.,Ltd, expert in this area for nearly 15years , we can offer you kinds of fastener ,diesel engine parts,Machinery Parts,wind Enery parts .shafts,pins,standard bolt ,nut, Screw Non standard ones (according to your drawing),The main products are: internal-combustion accessories; Auto parts; Various kinds of stainless steel fasteners, Various non-standard alien fasteners, widely used in engine, automobile and engineering machinery, railway, petrochemical, power, machine tool, steel structure building etc.