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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