1 ISO9001 Certified 2 Material: Spring Steel(60Si2MnA) 3.Widely used in China Mainland 4. ... or sleepers (international).” The terms clips, rail spikes, tie plates, washers, and track fasteners are used to refer to parts or ... Railway Fastening System, including Spring Clips, Rail Spikes, Washers, Baseplates, Rubber Pads, Nuts, etc.Typical Spring Clips Production Process 1. Cutting2. Heating3. Hot ...