railway fasteners: screw spikes, track bolts non-standard fasteners: U bolt,square bolts, wheel bolts, special bolts and screws, drive screws standard fasteners: ANSI/ASME B18.5 1990,DIN6914, ANSI/ASME B18.2.1 1996, DIN571,square bolts, hex bolts, wood screws, eye bolts,hex head screws, hex lag screws, round head square neck bolts, hex nuts stamping parts: pipes & hooks, hose clamp, welded stampings, clamps kit punching piece, cooling extrusion of cooling and heating, mechanical processing, non-standard piece, which are consistent with GB, DIN, ANSI and JIS, products of various specifications and max length of 1500mm.

high-strength steel structural bolts,nuts,track bolts,screw spikes and various non-standard fasteners.

Our main products include high-strength and corrosion-resistant rail fasteners, rail clips, anchor bolts, switch tie bolts, screw spikes, high-strength fasteners, tor-shear type bolts, space truss bolts, segment bolts, etc.

There is also a professional R&D team in ZHONGBO. There are 2 senior national class engineers, 3 engineers and 7 assist engineers, they are working hard on R&D and improvement of rail fastenings for each field. We are already awarded 40 patents on metro railway fastening system, tramway fastening systems, and performed widely. We are also the testing base of Southwest Jiaotong University regarding to rail fastening systems; we also cooperate with Shanghai Tongji University regarding the research and development about vibrating reduction, wave friction reduction to rail tracks fields and award several leading results.

Export of railway fasteners and railway materials.

railway fasteners、 railway spikes、railway bolts、standard component、 fasteners、fish plate、railway tie plate、rail brace、weld shoulder、gage tie bar、switch bolts、hexagon spike、screw spikes、square head screw spikes、drive spikes、track bolts、square head timber screws、dog spikes、US system point end screw with pich thread 、elestic clips、spring washers、hexagon bolts、foot bolts、two-end bolts、torsion shear bolts、knurled thmb thumb bolts、guardrail bolt、slotted countersunk head bolts、flange bolts、studs、hexagon socke bolts、hake bolt、mushroom head bolts、hexagon bolts with collar、T-bolts、eyebolts、square nuts、slotted nuts、hexagon nuts、flange nut、split pins、nylon anti-loosen nuts、flat washers、kinds of nuts、hook bolts、square bolts、rubbor plate、rod

we supply: screw spike: ss5, ss8, ss25, ss36 and other speicications screw spikes Railway bolt: T bolt, SH Bolt, Track bolt, Hex bolt Elastic clips: E1609, E1809, E2005, E2007, E2055, SKL1, SKL12, SKL14 Rubber pad: R54 1435mm, R541067MM, R60 1435mm, ZW 687, ZW700 Insulator: Pandrol series #7,#8, #9, #11,#12, #13 Nylon insulators Lock washers: wL20, WL24, Wl22 Flat washer: Uls6, Uls7 Nut: Nlyon nut, hex nut, square nut, heavy and normal Shoulders Cast Rail base plate

We supply: screw spikes, railway bolts, elastic clips, rubber pads, insulators, lock washers, flat washers, nuts, shoulders and cast rail base plates

hexagon hut, flange nuts, railway nuts, wheel hub bolt, slotted nuts

Bolts,Nuts,Washers,Split Pins,Screws,Dog Spikes,Fishplates,Rail Clips,Rail Clamps