Whatever the standards, ASTM, DIN, BSW, GB, JIS, UIC, Russian or drawings from customers.
Standard: AREMA or ASTM, BS, UIC

Grade: Normal and high strength.

Materials: Spring steel

Protection: Black, Zinc Plated, Hot dipped Galvanised.

technics:punching

All kinds are available with samples and drawings

1:Certificate

2,Workshop

3:Warehouse