Heli Spring Customized High Quality Car Seat Tension Spring

Heli Spring Customized High Quality Car Seat Tension Spring. 29 Years Manufacturing Experience: Deep accumulation in spring manufacturing since 1992 with advanced equipment. Comprehensive Customization Options: Supports customization from samples, designs, and full customization requirements. Wide Material Selection: Available in Carbon Steel, Stainless Steel, Alloy Steel, Music Wire, and more. Extensive Surface Treatments: Options include Zinc, Chrome, Nickel, Gold, Powder coating, and Phosphorization. IATF 16949 Certification: Passed automotive quality management system certification in December 2017. Fast Delivery for Stock Items: 3 days delivery for items in stock, 7-20 days for customized orders. Free Samples for Stock Items: Free samples provided for stock items, shipping cost applies. Flexible Payment Terms: 30% advance, 70% before delivery, adjustable based on situation.