... spikes, track bolts, fishplate bolts, and more. Screw Spike:Size: SS5, SS8, SS25, UIC864-1 Series, ... etc.Transport and shippingFAQ1. Q: Are you a manufacturing factory?A: Yes, we ... with all size; material; surface treatment; quantity.3. Q: How many ways of surface treatment?A: Plain ( ... black;wax; bitumenizing; DHG; electroplating znic; ect4. Q: payment terms?A: 30% by T/T as ...