
Factory Supplier Cast Iron Trailer Suspension EQ 310 Trailer Equalizer. 3-Year Warranty Coverage: Comprehensive 3-year warranty protection for all mechanical defects. ISO/Ts16949 Certified: Manufacturing process certified to international automotive quality standards. Ductile Iron Material: Constructed from high-strength ductile iron for durability and load bearing. Full Customization Available: Offers full customization, minor customization, and flexible options from designs. 100% Finished Product Inspection: Every unit undergoes visual and functional inspection before delivery. 30 Years Foundry Expertise: Backed by three decades of deep expertise in precision casting and manufacturing. Low MOQ Requirement: Minimum order quantity starts from just 1 piece for flexible purchasing. Flexible Payment Terms: Accepts LC, T/T, D/P, PayPal, Western Union, and small-amount payments.