
Factory Customized Extension Trampoline Springs Trampoline Accessories Hook Tension Spring. Customized Color Options: Available in customized colors to meet specific design requirements. Customized Size Options: Size can be customized to fit various industrial and extension spring applications. OEM and ODM Services: Full customization available from samples or designs with flexible options. High-Quality Material: Constructed from durable alloy steel and stainless steel for longevity. ISO9001:2015 Certified: Manufacturing process adheres to strict international quality management standards. 100% Product Inspection: Every finished product undergoes visual and functional inspection before shipment. Fast Lead Time: Peak and off-peak season lead times are both within 15 working days. Global Payment Support: Accepts multiple currencies and payment methods including T/T, L/C, and PayPal.