الوصف

Main grade:4.6, 4.8, 5.6, 5.8, 6.8, 8.8 Main raw material:Carbon steel as Q**5, *5#, *5#etc Surface:Plain, Black, Zinc, HDG, Dacromet etc we a sepecil rail fastener manufacture , manufacture all kind of rail fastener , such as the track spike , rail clips .round, square , t bolts , dog, drive , fish bolts and so on except that .we also produce other fastener , they are widly used in highway.powder , motocycle.automobile and so on .the detail psl visit our website Samples and catologue are available.welcome your inquiry !