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Suspension Leaf Springs for Semi Trailers and truck
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20+ Years of experiences (since 1999);
Implementing IATF 16949-2016;
Implementing ISO 9001-2015;
Quality standards: GB/T 19844-2018, GT/T 1222-2007;
Flat bar suppliers from top 3 steel mills in China;
Leaf length tolerance (mm): ±2 (Exceed spring industry standard ±3);
Camber tolearance (mm): ≤±6 (Exceed spring industry standard ±7);
Fatigue life ( cycles): >120,000+ (Exceed spring industry standard 100,000 cycles);
Annual output (tons): 35,000+;
SKUs : 5,000+;