Products Our Products Precision springs and railway fastening components, engineered to international standards and delivered worldwide. Two Core Product Lines Click a category to explore detailed product ranges, materials and specifications. Springs Compression springs, extension springs, torsion springs, wire forms and disc springs u2014 in carbon steel, stainless steel, alloy steel and more. Custom manufacturing to your drawings. Railway Components Rail fastening systems, fishplates (joint bars), railway spikes, rail clips, insulated rail joints and track bolts u2014 compliant with DIN, AREMA, UIC, GB and other standards. How We Support You Send Drawings or Samples Share your drawings, samples or target specifications and our engineers will confirm manufacturability. Fast Sample & Bulk Delivery Quick sample turnaround and reliable production scheduling for bulk orders. Competitive Pricing Factory-direct pricing with flexible terms for long-term cooperation. Need a Quote? Request a Quote