Features:
1) Various kinds of spikes for China (TB2004), America (AAR), England (BS), Germany
(DIN), France (NF) and the standard of UIC
2) Our production range: square head screw spikes ASTM A-66-87, square head timber
spikes, dog spikes, square head swith bolts, high-strength bolt nuts, class
10.9, hake bolts, high-strength nuts and all kinds of nuts, T-bolts